ICSE Class 10 Physics Answer Key 2025 and Question Papers, Download PDF All SETs

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The ICSE Class 10 Physics 2025 exam was conducted today, March 17, 2025. The exam began at 11:00 AM and concluded at 1:00 PM, lasting for 2 hours.

Here we are providing a detailed analysis of student responses, expert opinions, and the difficulty level of the paper including expected good scores, time-consuming section, and longest question.

We have shared the ICSE Class 10 Physics question paper 2025 PDF and answer key to help students check their answers and evaluate their performance.

👉 ICSE Class 10 Physics Question Paper 2025, Download Free PDF

ICSE Class 10 Physics Exam 2025: Difficulty Level

Based on initial feedback from students and teachers, the overall difficulty level of the ICSE Class 10 Physics Exam 2025 was moderate to difficult. Here's a breakdown of the paper's difficulty:

Section	Difficulty Level	Remarks
Section A (MCQs & Short Answers)	Moderate	Most of the questions were based on the direct concepts in Physics. Some of the MCQs were tricky but they could be attempted easily with a little conceptual understanding.
Section B (Numericals & Application-Based Questions)	Moderate to Difficult	If the students had a strong grasp of formulas along with correct application of concepts, then it was easy for them to attempt the exam. However, some of the numericals were time-consuming.
Section C (Long-Answer & Diagram-Based Questions)	Difficult	This section consisted of application-based and analytical questions. Questions based on ray diagrams, circuit diagrams, and derivations were tricky.

Some students found the application-based questions in Section B to be lengthy and tricky, while others appreciated the balanced distribution of topics.

ICSE Class 10 Physics Exam 2025: Student Reactions & Teachers' Feedback

Student Reactions

The students found the paper to be balanced, covering all the important concepts as well.
Numerical problems with applications based questions were among the most frequently asked topics.
Many questions required proper writing with clarity, but were manageable with thorough preparation.
Diagram-based and derivation-based questions needed proper conceptual understanding to solve them.

Teachers' Feedback

Teachers who reviewed the ICSE Class 10 Physics Question Paper 2025 found it to be well-structured and aligned with the syllabus. As per the experts:

The paper maintained a good balance of theory, numericals, and application-based questions.
Questions tested the conceptual clarity and the analytical skills of the students.
Most questions were from the prescribed syllabus, with some requiring in-depth understanding and interpretation.
The overall difficulty level was comparable to previous years, making it well-balanced for the students.

ICSE Class 10 Physics Answer Key 2025

Section A Question 1

Q. No.

Answers

Q1 (i) A body is acted upon by two equal and opposite forces, that are NOT along the same straight line. The body will:
(a) remain stationary
(b) have only rotational motion
(c) have only rectilinear motion
(d) have both rectilinear and rotational motion

(b) have only rotational motion

Q1 (ii) Which among the following is a vector quantity?
(a) work
(b) power
(c) energy
(d) moment of couple

(d) moment of couple

Q1 (iii) What is the correct energy transformation during burning of a candle?
(a) heat --> kinetic + potential
(b) heat --> chemical + light
(c) chemical --> heat + light
(d) mechanical --> chemical + heat

Q1 (iv) When a ray of light passes from one optical medium to another, which of the following physical quantities does NOT change?
(a) Amplitude of the wave
(b) Frequency of the wave
(c) Wavelength of the wave
(d) Speed of the wave

(b) Frequency of the wave

Q1 (v) Which one of the following combinations is the correct ascending order of electromagnetic waves in terms of wavelength?
(a) gamma-rays, visible light, microwaves
(b) microwaves, visible light, gamma-rays
(c) gamma-rays, microwaves, visible light
(d) microwaves, gamma-rays, visible light

(a) gamma-rays, visible light, microwaves

Q1 (vi) For a lever, a graph is plotted with load on Y-axis and effort on X-axis. Which of the following represents the slope of the graph?
(a) Mechanical advantage
(b) Velocity ratio
(c) 1/Velocity ratio
(d) 1/Mechanical advantage

(a) Mechanical advantage

Q1 (vii) For a real image formed by a convex lens, the ratio of 1: 02: 5, then the object is: (1 is the height of the image and O is the height of the object)
(a) between O and F
(b) beyond 2F
(c) at F
(d) between F and 2F

(d) between F and 2F

Q1 (viii) A ray of light is incident normally on a face of an equilateral prism. The ray gets totally reflected at the second refracting surface. The total deviation produced in the path of the ray is:
(a) 30°
(b) 60°
(c) 90°
(d) 120°

Q1 (ix) In a closed circuit containing a bulb and a cell, the electromotive force (e) and the terminal voltage (V) is related as. (Given I is current and is internal resistance.)
(a) V = ε + lr
(b) V = ε - Ir
(c) V = ε + Ir
(d) V = ε x Ir

(b) V = ε - Ir

Q1 (x) A metal piece of mass 5 g has thermal capacity 2.5 JK ^-1. If the mass of the metal is tripled, then its specific heat capacity will be:
(a) 7.5 JK ^-1
(b) 2.5 JK ^-1
(c) 1.5 Jg ^-1K ^-1
(d) 0.5 Jg ^-1K ^-1

(d) 0.5 Jg ^-1K ^-1

Q1 (xi) Assertion (A) : As the level of water in a tall measuring cylinder kept under running tap rises, the pitch of sound gradually increases.
Reason (R) : Frequency of sound is inversely proportional to the length of the air water column.
(a) Both (A) and (R) are true and (R) is correct explanation of (A).
(b) Both (A) and (R) are true and (R) is not the correct explanation of (A).
(c) (A) is true but (R) is false.
(d) (A) is false but (R) is true.

Q1 (xii) In the given circuits Y and Z, the resistors R ₁and R ₂are connected in:

(a) Series in both the currents
(b) Parallel in both the circuits
(c) Parallel in Y and series in Z
(d) Series in Y and parallel in Z

(b) Parallel in both the circuits

Q1 (xiii) A radioactive element P emits one a-particle and transforms to a new element Q. What will be the position of the element Q in the periodic table?
(a) One group to the left of P
(b) One group to the right of P
(c) Two groups to the right of P
(d) Two groups to the left of P

(d) Two groups to the left of P

Q1 (xiv) Each of the substances given below is supplied with same amount of heat. Which one will attain the highest temperature?

Substance	Lead	Aluminium	Copper	Iron
Specific heat capacity (cal/g°C)	0.031	0.21	0.095	0.115

(a) Aluminium
(b) Copper
(c) Iron
(d) Lead

To be Updated

Q1 (xv) The following figure shows a small bar magnet falling freely through a copper ring. For the observer at A, the direction of the induced current will be:
(a) clockwise when magnet is above and below the ring
(b) anticlockwise when magnet is above and below the ring
(c) anticlockwise when magnet is above the ring and clockwise when the magnet is below the ring
(d) clockwise when magnet is above the ring and anticlockwise when the magnet is below the ring

(b) anticlockwise when magnet is above and below the ring