Physics is a compulsory science subject for 9th class students of science group. In physics we deal with energy, matter and their relationships. Students should practice well to get good marks in this subject. Download 9th Class Physics Guess Paper 2022 Punjab Board PDF. If you are looking for his speculative papers, you need not worry.

## Guess the physics papers for 9th Class

These important physics advice sheets are available in softcopy form for 9th Classes. Students can get an idea from these test papers and practice these test papers for better performance in the exam. You can download the 9th Physics Guess Paper 2022 here in PDF files. The questions most likely to be asked on the board exam are given in these consultations. The most important questions in these Guess are given to help students prepare for better performance in the exam. Download 9th Class Physics Guess Paper 2022 Punjab Board PDF.

## PHYSICS 9TH CLASS GUESS PAPERS:

__UNIT NO. 1 PHYSICAL QUANTITIES AND MEASUREMENT__

__MULTIPLE CHOICE:__

- The number of significant figures in 0.00580 km is.

- 5
- 6
- 3
- 2
- The number of base units in SI are.

- 5
- 6
- 7
- 9
- Amount of a substance in term of number is measured in.

- Gram
- Kilogram
- Newton
- Mole
- An interval of 200 micro second is equivalent to.

- 0.2 s
- 0.02 s
- 2 x 10
^{-4}s - 2 x10
^{-6}s - The smallest quantity among these is.

- 0.01 g
- 2 mg
- 100 g
- 5000 mg

?__SHORT QUESTIONS:__

- Define base quantities.
- Define base quantities and units.
- Define physical quantities and derived quantities.
- Write down rules to find the significant digits.
- What role SI Units have played in the development of science.
- What is vernier calipers? Write the least count of vernier calipers.
- What is meant by significant figures? How many significant figures are in?

** LONG QUESTIONS**:

__NO LONG QUESTIONS IN THIS CHAPTER.__

__UNIT NO. 2 KINEMATICS.__

__MULTIPLE CHOICE:__

- Falcon can fly at speed of.

- 200 kmh
^{-1} - 17 kmh
^{-1} - 100 kmh
^{-1} - 70 kmh
^{-1} - The acceleration of a body failing down freely is approximately.

- 10 m
^{2}s^{-2} - 10 ms
^{-2} - 10 ms
^{-1} - 10 m
^{2}s^{-1} - Which of the following is a vector quantity.

- Speed
- Distance
- Displacement
- Power
- If an object is moving with constant speed than its distance –time graph will be a straight line.

- Along time- axis
- Along distance-axis
- Parallel to time-axis
- Inclined to time –axis
- By dividing displacement of a moving body with time we obtain.

- Speed
- Velocity
- Displacement
- Distance
- 36 kmh
^{-1}is equal to.

- 10 ms
^{-1} - 20 ms
^{-1} - 25 ms
^{-1} - 50 ms
^{-1}

__SHORT QUESTIONS:__

- How is a vector represented?
- Define speed and write its units.
- Convert 50 kmh
^{–}1 speed of a body into ms^{-1} - Differentiate between variable and uniform speed.
- Define uniform velocity
- Define uniform speed and uniform velocity
- What is difference between positive acceleration and negative acceleration?
- Write equation of motion for uniformly acceleration motion.
- Define gravitational acceleration and write its value is SI units.
- How can vector quantities be represented graphically?
- A train starts from rest with an acceleration of 0.5 ms
^{-2}. Find its speed in Kmh^{-1}. When it has moves through 100 m.

__LONG QUESTIONS/NUMERICAL:__

- Example 2.5
- Prove with the help of graph Vf – Vi + at
- Prove it graphically by diagram s = vit + ½ at
^{2} - Derive second equation
- Drive third equation of motion.
- A car has a velocity of 10 ms-1 if acceleration at 0.75 for half minute. Find the distance travelled during this time and final velocity of the car.
- A stone is dropped from the top of a tower. The stone hits the ground after 5 seconds. Find (i) The height of tower (ii) The velocity with which the above hits the ground.

__CHAPTER NO.3 DYNAMICS__

__MULTIPLE CHOICE:__

- Equation of momentum is.

- P = m/v
- P = mv
^{2} - P = (mv)
^{2} - P = mv
- One Newton is unit of force and is equal to.

- 1 kg ms
^{-2} - 1 kg
^{-1 }s^{-1} - 1 gms
- 1 kgm
^{-1 }s - The force oppose the motion of a moving object is called.

- Momentum
- Friction
- Power
- Work
- Coefficient of friction meo between the tyre and wet road is.

- Q.2
- 0.6
- 0.8
- 1
- First law of Newton is applicable in the absences of which of the following.

- Force
- Net force
- Friction
- Momentum

** SHORT QUESTIONS**:

- Define Newton’s second law of motion and give equation.
- State Newton’s third law of motion and write two examples.
- What is Atwood Machine? Give its one use. Define force and its unit.
- Define Inertia and momentum.
- Write difference between Mass and Weight.
- Give two examples of law of conservation of momentum.
- When a gun is fired, it recoiled why.
- Why rolling friction is less than sliding friction?

__LONG QUESTIONS:__

- How much time is required to change 22 Ns momentum in a body by a force of 20 N?
- Define rate of change of momentum and also drive its equation.
- State second law of motion and drive equation f = ma.
- State Newton’s first law of motion. Why is it called law of inertia?
- A body has weight 20 N. How much force is required to move it vertically upward with an acceleration of 2 ms
^{-2}

__CHAPTER NO.4. TURNING EFFECT OF FORCES.__

__MULTIPLE CHOICE:__

- The number of perpendicular components of a vector is.

- 1
- 2
- 3
- 4
- The centre of gravity of irregular shaped body can be found with help of.

- Gravity
- Merle rod
- Plump line
- Screw gauge.
- Two equal but unlike parallel force having different line of action produce.

- A torque
- A couple
- Equilibrium
- Neutral aquarium.
- The number of vectors that can be added by head to tall rule is.

- 2
- 3
- 4
- Any number
- If 10 Newton force is making an angle 30 o with x-axis then value of horizontally component

- 4 N
- 5 N
- 7 N
- 0.7 N
- Racing cars made stable by.

- Increasing their speed
- Decreasing their mass
- Lowering their centre of gravity
- Decreasing their width

__SHORT QUESTIONS:__

- What is resultant of force?
- Define axis of rotation.
- What is rigid body?
- When a body is said to be in equilibrium.

__LONG QUESTIONS:__

- What is resolution of force? Resolve of force F into its perpendicular components.
- Find the perpendicular components of a force of 50 N making an angle of 30 o with x-axis.
- Find a force from its perpendicular component by using a figure.

__CHAPTER NO. 5 GRAVITATION:__

MULTIPLE CHOICE:

- The value of gravitational field strength near the surface of earth is.

- 20 N kg
- 30 N kg
- 5 N kg
- 10 N kg
- Mass of the earth is

- Increase in mass of the body
- Increase in altitude
- Decrease in attitude
- None of the above
- The value of g on moon’s surface is 1.6 ms-2. What will be the weight of a 100 kg body on the surface of the moon?

- 100 N
- 160 N
- 1000 N
- 1600 N

__SHORT QUESIOTNS:__

- What do you known about G? Also write its value.
- Why we cannot fast gravitational force around us?
- Define gravitational field.
- Define mass of earth.
- What is the height and speed of Geo stationary satellite from the surface of the earth?
- Give the orbital speed formula for artificial satellite.
- Define force of gravitation and give one example
- State the law of gravitation and write its formula.

__LONG QUESTIONS:__

- What do you mean by artificial satellite?

__CHAPTER NO.6 WORK AND ENERGY.__

__MULTIPLE CHOICE:__

- The SI unit of Power.

- Newton
- Watt
- Joule
- Coulomb
- The energy stored in a dam is.

- Electric energy
- Potential energy
- Chemical energy
- Nuclear energy
- In Einstein ‘s mass energy equation, c is the

- Speed of sound
- Speed of light
- Speed of volume
- None of these
- Rate of doing work is called.

- Energy
- Torque
- Power
- Momentum
- In a dam the water energy is called.

- Heat energy
- Electrical energy
- G.P.E
- Mechanical energy
- Einstein mass energy equation is.

- E = mc
^{2} - E = m
^{2}c - E = ½ mc
^{2} - 2 mc
^{2} - 1 kW is equal to.

- 10
^{2 }W - 10
^{3}W - 10 5 W
- 10
^{6 }W - 1 mega watt is equal to.

- 10
^{3}W - 10
^{5}W - 10
^{8}W - 10
^{6}W - The unit of work is.

- J
- N
- Ns
- m
- Work done is maximum when angle between force and displacement is.

- 45
^{o} - 0
^{o} - 60
^{o} - 90
^{o}

__SHORT QUESTIONS:__

- Define work. What is its SI unit?
- A machine does 4 joule of work in 2 sec. Calculate its work.
- Define energy. Give two types of mechanical energy.
- Define K.E. and derive its relation.
- Define Potential energy and derive its relation.
- What is meant by the efficiency of a system?
- Define power and watt.
- Define unit of work.
- State law of conservation of energy.
- What is magma?
- Write a brief note on Einstein mass energy equation.

__LONG QUESTIONS:__

- Explain two major renewable sources of energy.
- Explain how energy is obtained from solar house heating and solar cells.
- Calculate the power of pump which can lift 70 kg of water through a vertical height 16 meters in 10 seconds. Also find the power of the pump, convert its power into horse power.
- A motor boat moves at a steady speed of 4 ms-1 water resistance acting on it is 4000 N calculate the power of its engine.
- A man pulls a block with a force of 300 N through 50 m in 60 s. Find power used by him to pull the block.
- A 50 kg man moved 25 steps up in 20 s. Find his power if each slop is 16 cm high.

__UNIT NO. 7 PROPERTIES OF MATTER.__

__MULTIPLE CHOICE:__

- One litre is equal to.

- 1 kgm
^{-1} - 100 kgm
^{-1} - 10
^{-1}m^{-1} - 10
^{-1}m^{-1} - SI unit of pressure is.

- N
- Nm
- J
- Nm-1
- In SI system, unit of density

- Kgm-1
- K gm-2
- Kg m-3
- Kg m
- In which of the following state molecules do not leave their position.

- Solid
- Liquid
- Gas
- Plasma
- Pascal is equal to.

- 10
^{-4}Nm^{-2} - 1 Nm
^{-2} - 10
^{2}Nm^{-2} - 10
^{3}Nm^{-2}

__?SHORT QUESTIONS:__

- What is barometer?
- What is meant by elasticity?
- What is Hook’s law? What is meant by elastic limit?
- State Pascal’s law
- How does vacuum cleaner work?
- Define stress with its unit.
- Define Young’s modulus.
- Give three application of Pascal’s law.
- Difference between Stress and Strain.
- What is meant by atmospheric pressure?
- State Archimedes principle.
- Difference between Strain and Tensile of strain.
- Write two examples of applications of Pascal’s law.
- Define the term pressure. Give its S.I.unit.
- What is meant by Elasticity and Stress?
- State Hook’s law. What is meant by elastic limit?

** LONG QUESTIONS**:

- The mass of 200 cm3 of stone in 500 g. Find as density
- The density of air is 1.3 kgm-1. Find of air in a room measuring 8m x 5m x 4m
- A cube of glass of 5 cm side and mass 306 g has a cavity inside it. If the density of glass is 2.55 gcm-3. Find the volume of the cavity.
- A wooden block measuring 40 cm x 10 cm x 5 cm has a mass 850 g. Find the density of wood.

__CHAPTER NO. 8 THERMAL PROPERTIES OF MATTER.__

__MULTIPLE CHOICE:__

- Rate of flow of heat is equal to.

- Q = t
- Q
^{o}/t - Q/t
- Q/t
^{2} - SI unit of specific heat to.

- Jkg
^{-1}K^{-1} - J
^{-1}Kg-1 K^{-1} - J Kg K
- J kg-1 K
- The specific heat of iron in joules per kilogram per Kelvin is.

- 387.0
- 920.0
- 470/0
- 503.0
- The value of specific heat of dry soil is about.

- B – a alpha
- B = 3 Alpha
- B = 2 alpha
- B = 2/ alpha
- _________ Material has large specific heat.

- Copper
- Ice
- Water
- Mercury

__SHORT QUESTONS:__

- Define Temperature.
- How temperature determines the direction of flow of heat.
- Define Thermal equilibrium.
- How evaporation differs from vaporization.
- Write any two uses of thermal expansion in our daily life.
- What is meant by bimetallic strip
- Define co-efficient of linear thermal expansion and what its SI unit is.
- Define “Volume thermal expansion’ and “temperature co-efficient of volume expansion.
- Define Latent Heat of fusion.
- What is meant by specific heat?
- Define latent heat of vaporization.

__LONG QUESTIONS:__

- Explain the liner thermal expansion is solids.
- Define linear thermal expansion in solids. Derive its formula.

__CHAPTER NO.9 TRANSFER OF HEAT.__

__MULTIPLE CHOICE:__

- The way by which transfer of heat takes place are.

- 1
- 2
- 3
- 4
- The units of thermal conductivity to.

- Wmk
- Wm
^{-1}k^{-1} - Wmk
^{-1} - Wm
^{2}k^{-1} - Thermal conductivity of air is.

- 0.08
- 0.03
- 0.2
- 0.026
- Global warming is due to a gas.

- Oxygen
- Carbon di oxide
- Carbon mono oxide
- Chlorine
- In solids, heat is transferred by.

- Radiation
- Conduction
- Convection
- Absorption
- What happens to the thermal conductivity of a watt if its thickness is doubled?

- Becomes double
- Remain the same
- Becomes half
- Become one fourth
- Metals are good conductor of heat due to.

- Free electron
- Bigger sure of their momentum
- Smaller size of their molecules
- Rapid vibration of their atoms
- False celling is done to.

- Lower the height of celling
- Keep the root clean
- Cool the room
- Insulate the celling.
- Rooms are heated using gas heaters by.

- Conduction only
- Convection and radiation
- Radiation only
- Convection only
- Land Breeze blows from.

- Land Breeze blows from
- Sea to land during might
- Sea to land during the day
- Land to sea during the day

__SHORT QUESTIONS:__

- What is meant by transfer of heat? Write way by which transfer of heat takes place.
- Write methods of heat transfer.
- Why are the metals good conductors of heat?
- Define Thermal conductivity and write its equation.
- Define convection.
- What is meant by gliding?
- What causes of glider to remain in air?
- Write names of any two birds who are expert thermal climbers.
- Where is convection currents used?
- Define land breeze and sea breeze.
- Mention the use of Leslie cube
- Define radiation. Write down the factors at which the rate of emission of radiations depends.
- Describe relation of radiation of heat and surface are.

__LONG QUESTIONS:__

- What measures do you suggest to conserve energy in houses?
- Explain the reasons of sea breeze blows during the day and land breeze blows during night.
- Define radiations how heat reaches us from sun?
- Write use of Leslie Cube. Explain how various surfaces of it can be compared.

Physics 9th Class Guess Paper 2022 (Important Long, Short And MCQ,s) | Download In PDF |

## Physics 9th Class Guess Paper 2022

These guessing papers are very useful and were created especially for 9th Class science students. These tips are free to download. We provide these guessing papers to help you get good Class in the 9th Physics Board exam. Our top priority is to provide our students with the best preparation materials. Students can view and download the 9th Class physics Guess paper in pdf from our website SetAPK.Net. Students must practice these guessing papers before going for the exam. Download 9th Class Physics Guess Paper 2022 Punjab Board PDF.

## Important questions of Physics 9th class

We are providing important questions of Physics Class 9 to all the students with the help of these 9th class Physics Guess Papers 2022 Punjab Board PDF PDF. These Guess are the most important. Students can easily download these important Guess in PDF files from here.

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