9th Class Physics Guess Papers 2024

 9th Class Physics Guess Papers 2024

CHAPTER 01

1. Write in scientific notation i) 0.00580 km ii)100.8 sec
2. Define the term Mechanics and Electromagnetism.
3. Write two advantages of physics in our daily life.
4. Differentiate between atomic and plasma physics.
5. Why a screw gauge measures more accurately then a vernier calliper.
6. Differentiate between Mechanical stop watch and digital stop watch.
7. Define geographic
8. What is least count of meter rod?
9. Define scientific notation and give one example
10. Define prefixes and give one example
11. Why screw gauge measure more accurately than vernier callipers?
12. Write two rules to find significant digits in a measurement.
13. D/f between positive zero error and negative zero error.
14. What is d/f between base quantities and derived quantities?
15. What is meant by scientific notation?
16. D/f b/w electronic balance and physical balance.
17. Define base and derived units.
18. Define physics.
19. Estimate your 14 year age in second.
20. What is meant by zero error and zero correction?

LONG QUESTION

1. Your hair growth at the rate of mm per day. Find their growth in nms-1
2. What is meant by stopwatch? Describe about digital stop watch.
3. What is the function of screw gauge? How it used?
4. A Screw has 50 divisions on its circular scale. The pitch of the screw gauge is 0.5 mm. Finds its least count.
5. Write the rules which are helpful in identifying significant figures.

CHAPTER 2

SHORT QUESTION

1. Define uniform velocity.
2. Differentiate between rest and motion.
3. Define Translatory motion and linear motion.
4. Define velocity and uniform velocity.
5. Define speed and uniform speed.
6. Define acceleration and its equation.
7. Define displacement with the help of graph.
8. Define speed and its unit.
9. What is meant by positive and negative acceleration?
10. Convert 20 ms-1 velocity in kmh-1
11. Define uniform acceleration.
12. A car starts from rest. Its velocity becomes 20 ms-1 in 8 sec. Find its acceleration.
13. Differentiate between rotatory and random motion.
14. Derive first equation of motion.
15. Write down formula and unit to find accelerating.
16. Find the acceleration that is produced by 20 N forces in mass of 8 kg.
17. D/f between linear motion and random motion.
18. Write types of motion.
19. D/f between rest and motion.
20. Define speed and velocity.
21. Define rest and motion.
22. D/f between displacement and distance.
23. Draw the graph of constant speed.
24. Define gravitational acceleration.

LONG QUESTION

1. Derive second condition of motion with the help of
2. graph.
3. Derive third equation of motion with the help of graph.
4. A cricket ball hit vertically upward and returns to ground 6 sec late. Calculate its velocity.
5. A train starts from rest with an acceleration of 0.5 ms-2.
6. Find its speed in kmh-1 when it has moved 100 m.
7. Drive third equation of motion with the help of graph.
8. Prove with the help of graph. Vf = Vi + at.
9. 7.Prove third equation of motion with the help of speed time graph.
10. A car starts from rest. Its velocity becomes 20ms-1 in 8 second .find acceleration.

CHAPTER 3

SHORT QUESTION

1. Define momentum and write its units.
2. Write two difference between mass and weight.
3. Why rolling friction is less than sliding friction
4. Difference between force and inertia
5. Define newton’s 2nd law of motion.
6. Define centripetal force and circular motion
7. Why first law of motion is called law of Inertia.
8. What do you know about Atwood machine?
9. Define centripetal force and write down its equation.
10. State law of conservation of momentum.
11. When gun is fired, it recoils why?
12. Write down two method s of reduce friction
13. Define force and write its unit.
14. Write two differences between mass weights.
15. Give two example of law of conservation of momentum.
16. How seat belts are useful in two ways at the time of driving?
17. What is meant by banking of Roads?
18. Why are spanner of washing machine is moved fast.
19. Write two methods to reduce friction.
20. State principle of moments.
21. Define inertia.

LONG QUESTION

1. Define friction and write three methods to minimize it.
2. Prove the relation between force and momentum with the help of mathematical equation
3. What is meant by friction why rolling friction is less than sliding friction?
4. Define rate of change of momentum and also derive its equation.
5. How much centripetal force is needed to make a body of mass o.5kg to move in a circle of radius 50cm with a speed 3ms-1.?
6. Write four d/f b/w mass and weight.
7. State newton’s first law of motion and explain with example.

CHAPTER 4

SHORT QUESTION

1. Define Resolution of vectors. Also define
2. perpendicular components.
3. Define like parallel forces and unlike parallel forces.
4. Define Torque and write its unit also.
5. Define rigid body.
6. Define center of mass
7. Differentiate between torque and couple?
8. Explain the second condition of equilibrium
9. How head to tail rule helps to find the Resultant of forces.
10. Why a body cannot be in equilibrium due to single force acting on it.
11. What is a rigid body?
12. Differentiate between Axis of rotation and moment arm
13. Define center of gravity
14. Write two methods of reduce friction.
15. What is head to tail rule? explain with example
16. Differentiate between center of mass and centre of gravity
17. Define second condition of equilibrium and write its mathematical form
18. How vector are added by head to tail rule.
19. If 8 newton force making an angle of 45 0 with x-axis represent it graphically.
20. Write two methods of reduce friction.
21. State principle of moments
22. What is meant by plumb line?
23. D/f between torque and couple.
24. What is the second condition of equilibrium?
25. D/f between like and unlike parallel forces.
26. Define parallel forces .write the name of its types.
27. Define moment arm of a force.
28. Describe the line of action of a force

LONG QUESTION

1. Find the perpendicular components of a force of 50 N. Making an angle of 300 with x-axis.
2. What is meant by resolution of forces? Resolve a force into its components
3. Nut have been tightening by force of 200 N using 10 cm long spanner. What length of a spanner is required to lose the same nut with 150 N forces?
4. A force of 100 N is applied perpendicular on a spanner of a distance of 10 cm from a nut find the torque produce by the force.
5. Define center of gravity .find the centre of gravity of an irregular shaped thin lamina with the help of the experiment.
6. How can a force “F” be resolved into its perpendicular components?

CHAPTER 5

SHORT QUESTION

1. Define the force of gravitation
2. What is global positioning g system? write its importance
3. Write two use of artificial satellite
4. Why does the value of ‘g’ vary from place to place?
5. State newton law of gravitation
6. On what factors, the orbital speed of satellite depends.
7. Why communication satellite are stationed at Geo stationary orbits.
8. State the law of gravitation
9. Explain how the value of ‘g’ varies with the altitude?
10. What is satellite and geostationary satellite?
11. Define force of gravity
12. Why does the value of ‘g’ vary from place to place
13. What are artificial satellites?
14. How the value of “g” varies with altitude.
15. What is meant center of mass?
16. Define field force.

LONG QUESTION

1. State law of gravitation and derive its equation determine the mass of earth using newton law of gravitation
2. By law of gravitation, find the mass of the earth?
3. A polar satellite is launched at 850 km above earth
4. Find its orbit speed.
5. Define Gravitation. Determine the mass of earth
6. using the Newton’s law of gravitation

CHAPTER 6

SHORT QUESTION

1. Write two disadvantages of fossil l fuels.
2. Write the names of the parts of solar heating system.
3. Write a brief note on Einstein Mass Energy equation.
4. Write two Renewable Energy Source. Explain one of them
5. Write importance of Wind Energy.
6. Define energy and Write its different types.
7. A machine doe’s 20 joule work in 4 sec. fin ds its power.
8. How energy is converted into from one form to another form.
9. Define unit of power.
10. Write down the names of four types of energy.
11. Define potential energy and write equation.
12. Describe the use of light energy.
13. What is meant by efficiency?
14. Define power and write its unit.
15. Differentiate kinetic and potential energy.
16. Define Einstein mass energy equation.
17. What is meant by solar cell?
18. What is global positioning system?
19. Define Magma.
20. Which form of energy is most preferred and why?
21. Write two sources of non-renewable energy.
22. What is watt? Define it.
23. Write the type of mechanical energy.

LONG QUESTION

1. Why fossils Fuels are called Non Renewable form of Energy.
2. A cyclist does 12J of useful work while pedaling his bike from every 100 j food energy which he takes. What is his efficiency?
3. Define kinetic energy and write its mathematical form.
4. How energy is produced from Nuclear Fuels? Explain
5. Write two parts of solar heating system.
6. A machine does work 4 J of work in 2 sec. Find its power.
7. Calculate the power of a pump which can lift 70kg of water through a vertical height of 16 meters of 10 seconds.
8. Also find the power of the pump, convert its power into horse power.
9. A stone of mass 500g strikes the ground with a velocity
10. of 20ms-1 .how much is the kinetic energy of the stone at the time of it strikes the ground.
11. Calculate the power of the pump which can lift 200kg of water through a height of 6m in 10 second.

CHAPTER 7

SHORT QUESTION

1. Define density and write its unit.
2. What is meant by atmospheric pressure?
3. Define Pascal’s law.
4. Define pressure and write its unit.
5. Define Hooke’s law.
6. Describe the principle of floatation.
7. D/f b/w stress and strain.
8. What is meant by plasma?
9. How does heating affect the motion of molecules of a gas?
10. Define the term heat and temperature

LONG QUESTION

1. Define young’s modulus. Derive mathematical equation.
2. Define pressure .also explain that pressure in liquid increase with increase in depth.
3. Explain the Archimedes principle.
4. State hook’s law .also explains young’s modulus in detail.
5. A barge 40 meter long and 8 meter broad, whose side are vertical float partially loaded in water. If 125000N of cargo is added, how many meters will it sink?

CHAPTER 8

SHORT QUESTION

1. Define latent heat of fusion.
2. Define internal energy of a body.
3. Define temperature and heat.
4. Define evaporation.
5. What is meant by internal energy?
6. Define specific heat capacity.
7. How upper and lower points are fixed on thermometer?
8. Define the coefficient of linear thermal expansion.
9. Describe the use of bimetal strip.
10. Define specific heat.
11. State the kinetic molecular model and matter.
12. Define specific heat capacity.

LONG QUESTION

1. Explain the volumetric thermal expansion and also derived its equation.
2. Explain latent heat of fusion and latent heat of vaporization and write its formula.
3. How much heat is required to increase the temperature of 0.5kg of water from 100 c to 650 c?
4. Convert 500c on Celsius scale into Fahrenheit temperature scale.
5. Convert 300k on Kelvin scale into Celsius temperature scale.

CHAPTER 9

SHORT QUESTION

1. Define radiation.
2. Write two ways by which transfer of heat takes place.
3. Why are the metals good conductors of heat?
4. Define thermal conductivity.
5. Define conduction.
6. Define rate of flow of heat and write its mathematical form.
7. Define greenhouse effect.
8. Define rate of flow of heat.
9. What is meant by convection currents?
10. What is meant by conduction?
11. Define thermal conductivity.
12. Write name of two expert thermal riders.

9th Class Chemistry Guess Papers 2024

MCQS: ALL MCQS FROM EXERCISES AT THE END OF RESPECTIVE CHAPTERS.

CHAPTER 01

SHORT QUESTIONS

1. Define Chemistry and Branches of chemistry.
2. Difference between Chemical properties and Physical properties.
3. Write down the name of any two elements which were discovered in early ages.
4. Difference between matter and mixture.
5. Define Symbol and valency with example.
6. Give the symbol of Arsenic and silver.
7. How does homogenous mixture differed from Heterogeneous.
8. Write the chemical formula of Ammonia and Sugar.
9. Calculate the molecular mass of Nitric Acid.
10. Define Free Radical with two example.
11. Write difference between Homoatomic and Heteroatomic molecules.
12. Difference between Triatomic molecule and polyatomic molecule.
13. Soft drink is mixture while water is compounds. Give the reason.
14. Define Atomic mass unit.
15. Difference between Cation and Anion.
16. Difference between ion and free radical.
17. Define Avogadro’s number.

LONG QUESTIONS

1. Explain the important Branches of Chemistry.
2. Difference between molecule and molecular ion.
3. Explain types of molecules in detail and give examples.
4. Write five difference between compound and mixture.

CHAPTER 02
SHORT QUESTION

1. When and who discovered proton and neutron.
2. What is the nature of charge on cathode rays?
3. What are canal rays?
4. Write two properties of Neutron particles.
5. What is meant by Quantum?
6. Difference between shall and sub shall.
7. Define Isotopes. Name the isotopes of Hydrogen.
8. How U-235 used for power generation?
9. Define Carbonating.
10. A patient has goiter. How it is diagnosis?
11. Explain the treatment of cancer by radiotherapy.
12. Five character of cathode rays.
13. Write down defect of Rutherford’s model.
14. What is the maximum capacity of metal?
15. Define Isotopes. Give two example.

LONG QUESTIONS

1. How neutron was discovered? Write its properties.
2. State any Four Properties of Cathode rays.
3. Write difference between the Ruther Fords and Bohr’s atomic theory.
4. What is Isotopes? Describe the isotopes of hydrogen.

CHAPTER 03

SHORT QUESTIONS

1. What are triads? Give an example.
2. Define Mendeleev’s Periodic law.
3. Difference between Mendeleev’s periodic law and Modern Periodic law.
4. What is meant by periodic function?
5. Define transition elements.
6. Why elements are called s and p block elements.
7. What is meant by Atomic Radius? Write its unit.
8. Why does atomic size increase in a group?
9. Define Shielding effect.
10. Give the trend of ionization energy in a period. Also give reason.
11. What is trend of Electron affinity in group and period?
12. What is electronegativity? Write its units.
13. Why size of atom decrease in a period?
14. What is electron affinity? Give an example.

LONG QUESTIONS

1. Define the shielding effect. Write its trend in period and groups.
2. Define Group and explain all periods in periodic table.
3. Discuss any three important features of modern periodic table.

CHAPTER 04

SHORT QUESTIONS

1. Why do atoms form chemical bonds?
2. Define single covalent bond and give one example.
3. Differentiate between donor atom and acceptor atom.
4. Describe at least two necessary conditions for the formation of Covalent bond.
5. Difference between Polar and Non –Polar covalent bond.
6. Why does a covalent bond become polar?
7. What is meant by Metallic bond?
8. Ice floats on the surface of water. Giver reason.
9. Ionic Compounds are solids. Explain.
10. What is meant by Co-Ordinate covalent compounds?
11. Why metal are good conductors of electricity.
12. Write down two physical properties of metal.

LONG QUESTIONS

1. What is Chemical Bond? Why do atoms from chemical bond?
2. Define Covalent bond and write its types with one example of each.
3. What is Covalent bond and describe properties of covalent compounds.
4. What are covalent compounds? Describe properties of covalent compounds.
5. Write five properties of metal.

CHAPTER 05

SHORT QUESTIONS

1. Define a diffusion of gas with an example.
2. Differentiate between Diffusion and effusion.
3. Define Standard atmosphere pressure and write its unit.
4. What do you know about mobility of gases
5. What is absolute temperature? Write its value.
6. Define Charles’s law.
7. What is vapour pressure?
8. Convert -30 o C to K unit.
9. Why drops of rain fall downward?
10. Justify why Evaporation is a cooling process.
11. Define Boiling point and melting point.
12. Difference between crystalline and amorphous solid.
13. Define the term allotropy with example.

LONG QUESTIONS

1. State Boyle’s Law. Write its mathematical expression and explain its experimental
2. verification.
3. Define Charles’s law and give its experimental verification.
4. Describe three factors which effect the evaporation.

CHAPTER 06

SHORT QUESTIONS

1. Define aqueous solution. Write its components.
2. Difference between solute and solvent?
3. Define Standard Solution.
4. Write the name of two non-polar solvents.
5. What is meant by mass/mass%?
6. What do you mean by Volume/ Volume %
7. What is meant by Molarity? Also its formula.
8. What is Tyndall effect?
9. How will you test weather given solution is colloidal solution or not?
10. Different between Collide and Suspension.
11. Write two examples of suspension.
12. Why we stir paints thoroughly before use?

LONG QUESTIONS

1. Define Solubility. Give the general principles of Solubility.
2. Describe five properties of Colloids.
3. Write five characteristics of suspension and colloid.

CHAPTER 07

SHORT QUESTIONS

1. Define Reduction on the basis of electron and give example.
2. Define Oxidizing agent with an example.
3. Define Oxidation in terms of electrons and give an example.
4. Define Redox Reaction. Give an example.
5. Difference between Electrolytes and non-Electrolytes.
6. Define anode and cathode.
7. Which force drives the non –spontaneous reaction to take place?
8. Where do the electrons flow from Zn electrode in Daniel’s cell?
9. Difference between Electrolytic cell and Galvanic cell.
10. Define Corrosion.
11. What is salt bridge? What is its basis function?
12. Write the redox reaction taking place during the electroplating of chromium.

LONG QUESTIONS

1. Describe the rules for assigning the oxidation number.
2. Explain oxidation and Reduction in terms of loss and gain of electron.
3. Compare electrolytic and galvanic cell.
4. What is electrolysis? Explain the electrolysis of water.
5. Explain the manufacture of Sodium metal from fused NaCl.
6. Define corrosion and rusting. Describe any three methods for prevention of corrosion

CHAPTER 08

SHORT QUESTIONS

1. How will you compare the electronegativity of alkali metals and alkaline earth metals?
2. What do you mean by 24 carat gold?
3. Any two uses of Sodium.
4. Write down two uses of Gold.
5. Write down two uses of Silver.
6. Write the names of noble metal
7. Write chemical properties of non-metal.
8. Describe the non-metallic character in groups and period of a periodic table.
9. Write any two chemical properties of halogens.
10. Give chemical reaction of methane with chlorine in bright light.
11. Write down chemical reaction of sodium with H2 and Cl2.
12. Write the chemical reaction of methane with chlorine

LONG QUESTIONS

1. Define metals. Also write four chemical properties of metals.
2. Write down four uses of Silver in daily life.