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All Physics 10 papers

Matric 10 · Past paper

Physics 10 past paper 2025

83 published questions in this index. The full practice view lets you work through them and track your own attempts.

24 MCQs59 written questionsPractise this paper

Question index

1
Which of the following decreases in shallow water?
MCQannualWaves
2(i)
Describe SHM. In SHM at which points: a. Velocity is zero? b. Velocity is maximum?
Part B3 marksannualWaves
2(v)
A harmonic wave is moving along a rope. The source generating the wave completes 50 vibrations in 20s. Calculate: a. Time period (T) b. Frequency (f) c. Speed of wave
Part B3 marksannualWaves
3
The restoring force that causes the pendulum to undergo SHM is equal to:

This is a skimmable index, not a replacement for the study surface. Open the practice view to answer questions and use the linked study material.

Physics 10 Past Paper 2025 | Notely

MCQannualWaves

Q.6

A simple pendulum has time period of 2s. Find the length of pendulum on earth and on moon (gm=1.6ms⁻²)

Part C5 marksannualWaves

Q.6

What is a simple pendulum. What type of motion does it execute? Draw a labelled diagram to show the forces acting on a simple pendulum during its motion. Write equation of frequenc…

Part C1 marksannualWaves

2

Quality of sound distinguishes between two sounds of:

MCQannualSound

2(ii)

What is meant by 'intensity' and 'intensity level' of sound? Write unit of each physical quantity.

Part B3 marksannualSound

2(ii)

List any three negative effects of noise on human health. Suggest three ways to reduce noise pollution.

Part B3 marksannualSound

2(vi)

What is meant by quality of sound?

Part B3 marksannualSound

2(vi)

Rehan cannot hear sound of frequency less than 20Hz and more than 20,000Hz. Should he visit doctor? Give reason.

Part B3 marksannualSound

4

Multiple reflection of sound that cannot be distinguished from original sound are called:

MCQannualSound

Q.6

Describe the three characteristics of sound. How are 'loudness' and 'pitch' affected by 'amplitude' and 'frequency' respectively?

Part C5 marksannualSound

Q.6

Describe the nature of sound waves. Discuss the effects of the given changes in respective characteristics: a. in amplitude on loudness b. in frequency on pitch of sound. Draw neat…

Part C1 marksannualSound

2(i)

Distinguish between magnifying power and resolving power of an optical instrument. What is the general value of near point of eye?

Part B3 marksannualOptics

2(i)

State the conditions for total internal reflection.

Part B3 marksannualOptics

2(vii)

Find the value of critical angle for water (angle of refraction = 90°). The refractive index of water is 1.33 and that of air is 1.

Part B3 marksannualOptics

2(vii)

A convex mirror of radius of curvature 1.0m is installed in a shopping mall. Find (a) focal length of mirror (b) location of image if a vehicle is at 15m from the mirror.

Part B3 marksannualOptics

3

The power of a lens is:

MCQannualOptics

5

Total internal reflection occurs when:

MCQannualOptics

Q.4

Draw ray diagram of a telescope and determine its magnifying power.

Part C5 marksannualOptics

Q.4

Draw ray diagram of compound microscope and mention its magnifying power.

Part C4 marksannualOptics

1

SI unit of electric potential is:

MCQannualElectrostatics

2(ix)

What is meant by electric field lines? Draw electric field lines for (a) +q (b) -q

Part B3 marksannualElectrostatics

2(ix)

State Coulomb's law. Show that Fc=K(q1q2)/r²

Part B3 marksannualElectrostatics

2(xi)

Two capacitors of 20μF and 30μF are connected in parallel with a power supply of 12V. (a) Find capacitance and (b) charge on 20μF capacitor.

Part B3 marksannualElectrostatics

2(xi)

Two bodies are oppositely charged with 500μc and 100μc charges. Find the force between the two charges if the distance between them is 0.5m. Is the force attractive or repulsive?

Part B3 marksannualElectrostatics

4

Which of the following is a characteristic of parallel combination of capacitors?

MCQannualElectrostatics

6

Capacitance C is:

MCQannualElectrostatics

11

Unit of electric field intensity is:

MCQannualElectrostatics

Q.3

a. Describe electric potential and write its mathematical equation. b. Is it scalar or vector? c. State its unit.

Part C5 marksannualElectrostatics

Q.3

Describe the construction of an electroscope. Make its diagram. How can we detect: a. Presence of charge and b. Nature of charge on the body.

Part C2 marksannualElectrostatics

2(ii)

Enlist the use of Galvanometer, Ammeter and Voltmeter in an electric circuit. How each is connected in circuit?

Part B3 marksannualCurrent Electricity

2(iii)

a. Describe conventional current. b. Connect a battery, switch and conductor in series and draw direction of conventional current in the circuit.

Part B3 marksannualCurrent Electricity

2(viii)

Draw circuit diagrams of (a) series and (b) parallel combination of resistance R1, R2 and R3. In which combination is Req less than the smallest resistance?

Part B3 marksannualCurrent Electricity

2(viii)

Sketch V-I graphs of (a) ohmic material (b) filament lamp and (c) thermistor.

Part B3 marksannualCurrent Electricity

2(xi)

An electric geyser working at a potential difference of 220V draws 20A current. How much electrical energy will it consume in 1 hour?

Part B3 marksannualCurrent Electricity

2(xi)

In a parallel circuit R1=2Ω, R2=3Ω and V=6V. Find: a) Equivalent resistance Req b) Current through each resistance I1 and I2 c) Total current of the circuit ITotal

Part B3 marksannualCurrent Electricity

5

For an AC supply of 50Hz, the current will change direction ______ times in 1 second.

MCQannualCurrent Electricity

6

Which one of the following pairs of materials consists of conductors only?

MCQannualCurrent Electricity

7

If cost of one unit of electricity is Rs.10, then cost of using a 50W bulb for 240 hours is:

MCQannualCurrent Electricity

Q.3

a. Describe Ohm's law and write its mathematical equation. b. Why is Ohm's law applicable to metals only? Give reason. c. Give the unit of resistance.

Part C5 marksannualCurrent Electricity

8

A 1Ω resistor in 20s consuming 2 ampere current will require:

MCQannualElectric Circuits

Q.3

State the functions of the live, neutral and earth wires in the domestic main supply. State reason why are domestic supplies connected in parallel.

Part C3 marksannualElectric Circuits

2(iv)

Describe the following components of information technology: a. Hardware b. Software

Part B3 marksannualElectronics

2(iv)

Differentiate between analogue and digital electronics. (Any three)

Part B3 marksannualElectronics

2(iv)

Describe characteristics and uses of flash drive. (Any three points)

Part B3 marksannualElectronics

2(ix)

Enlist any three functions of computer word processing.

Part B1 marksannualElectronics

2(vii)

Draw the diagram of electron gun.

Part B3 marksannualElectronics

2(viii)

Make truth tables of OR and NAND gates.

Part B3 marksannualElectronics

2(x)

Enlist any three uses of internet.

Part B3 marksannualElectronics

8

Which logic gate is shown in the figure? (triangle with bubble at output, single input)

MCQannualElectronics

10

The given Boolean eq verifies ______ gate. A+B=X

MCQannualElectronics

Q.5

For the given logic gates a. OR b. AND Draw their: Symbols, Write Boolean equations, Make truth tables

Part C5 marksannualElectronics

Q.5

Explain the process of thermionic emission emitted from a filament. Draw neat diagram.

Part C4 marksannualElectronics

2

If a DC source of 80V is connected to the primary coil of a transformer with Np=20 turns, Ns=5 turns then Vs=

MCQannualElectromagnetism

2(ii)

State Lenz's law. What energy changes are involved when a bar magnet is moved towards a conductor?

Part B3 marksannualElectromagnetism

2(iii)

Describe mutual induction and state its units.

Part B3 marksannualElectromagnetism

2(iv)

Draw the path of electron beam in: a. Electric field b. Magnetic field

Part B3 marksannualElectromagnetism

2(vii)

Describe the purpose of transformer in A.C circuits. Identify the type of transformer if (a) Ns>Np (b) Vp>Vs

Part B3 marksannualElectromagnetism

2(viii)

a. State the working principle of A.C generator. b. For what position of the plane of the coil the number of magnetic field lines passing through is: (i) Maximum (ii) Zero

Part B3 marksannualElectromagnetism

2(x)

Briefly describe factors effecting induced emf.

Part B3 marksannualElectromagnetism

2(x)

Enlist the factors affecting the induced emf.

Part B3 marksannualElectromagnetism

7

If number of turns of a coil is changed from N to 3N then induced emf ε will be:

MCQannualElectromagnetism

9

If in a step-up transformer the turn ratio is 20 then:

MCQannualElectromagnetism

12

Transformer works on the principle of:

MCQannualElectromagnetism

Q.4

What is meant by mutual induction? If Ns=20, Np=5, Vp=100 the find Vs, Ip and Ps. Identify the type of transformer.

Part C5 marksannualElectromagnetism

Q.4

What is DC motor? State its working principle. Explain the function of a commutator during the rotation of coil in a magnetic field.

Part C1 marksannualElectromagnetism

2(i)

Distinguish between mechanical waves and electromagnetic waves. Give one example of each.

Part B3 marksannualElectromagnetic Waves

2(ix)

How does fax machine work?

Part B3 marksannualElectromagnetic Waves

2(v)

Radio waves travel at a speed of 3×10⁸ ms⁻¹. PTV broadcasts at a frequency of 101,700,000 Hz. What is the wavelength of radio waves?

Part B3 marksannualElectromagnetic Waves

2(vi)

Explain briefly the transmission of electric signals through wires in a telephone.

Part B3 marksannualElectromagnetic Waves

2(vi)

Name the phenomenon by which optical fibers transmit signals. Draw a neat diagram showing core, cladding and path of light signal in optical fiber.

Part B1 marksannualElectromagnetic Waves

2(x)

How does fax machine work?

Part B3 marksannualElectromagnetic Waves

9

Which technology is used in cell phones?

MCQannualElectromagnetic Waves

11

The most suitable means of long distance transmission in space is:

MCQannualElectromagnetic Waves

2(iii)

Compare nuclear fission and nuclear fusion reactions. Complete the equations: a. 0n1 + 92U234 → 56Ba141 + ___ + 3(0n1) + Energy b. 2He3 + 2He3 → ___ + 1H1 + 1H1

Part B2 marksannualNuclear Physics

2(iii)

Write general equations for Alpha, Beta and Gamma decay.

Part B3 marksannualNuclear Physics

2(v)

Complete the following nuclear transmutations by writing values of A and Z: a. 27Co60 → ZNiA + -1e0 + Energy b. 88Ra226 → ZRnA + 2He4 + Energy c. 27Co60 → ZCoA + γ + Energy

Part B3 marksannualNuclear Physics

10

Which particle has z=2?

MCQannualNuclear Physics

12

Half-life of a radioactive element is 10 min. After 30 min how much sample will be left?

MCQannualNuclear Physics

Q.5

a. What is meant by nuclear transmutation? b. Write down the general equations for α, β and γ-decay. c. Compare ionizing effect of α and β

Part C1 marksannualNuclear Physics

Q.5

Compare the 'ionization effect' and 'penetrating ability' of α, β and γ.

Part C2.5 marksannualNuclear Physics