Class 10 ICSE Physics Answer Key 2025 (Available) Live Updates: Unofficial key PDF download
As the exam has concluded, we have provided the Class 10 ICSE Physics Answer Key 2025 below for all the sets here. Aspirants can also check the latest updates here.
Class 10 ICSE Physics Answer Key 2025 Live Updates: Candidates who took the ICSE Class 10 Physics Exam 2025 on March 17, 2025, are now anxiously awaiting the chance to assess how they performed. To assist these students, several coaching institutes and subject experts have released unofficial answer keys, organized by question paper sets, which are available for download in PDF format on the page below. The paper is traditionally divided into two sections: Section A, consisting of compulsory short-answer questions, and Section B, where students choose from a set of longer, more detailed questions.
As the exam has concluded, unofficial answer keys in PDF format have been made available for download, offering students an early opportunity to assess their performance. These unofficial keys, prepared by subject experts and coaching institutes, are expected to provide question-wise solutions, enabling students to estimate their scores ahead of the official results, which typically follow weeks later.
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Class 10 ICSE Physics Answer Key 2025
Aspirants can check the unofficial answer key for the ICSE Class 10 Physics 2025 exam in the table below.
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: | (b) have only rotational motion | ||||||||||
Q1 (ii) Which among the following is a vector quantity? | (d) moment of couple | ||||||||||
Q1 (iii) What is the correct energy transformation during burning of a candle? | (c) chemical --> heat + light | ||||||||||
Q1 (iv) When a ray of light passes from one optical medium to another, which of the following physical quantities does NOT change? | (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 | ||||||||||
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 | ||||||||||
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) | (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: | (c) 90° | ||||||||||
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.) | (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: | (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. | (c) (A) is true but (R) is false. | ||||||||||
Q1 (xii) In the given circuits Y and Z, the resistors R1 and R2 are connected in: | (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? | (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?
(a) Aluminium | 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: | (b) anticlockwise when magnet is above and below the ring |
Class 10 ICSE Physics Exam Analysis 2025 Link
Candidates can check out the ICSE 10th Physics Exam Analysis 2025 by clicking the link below.
Class 10 ICSE Subject-Wise Answer Key 2025 |
| Subject | Answer Key Link |
| English Language | Class 10 ICSE English Language Answer Key 2025 |
| English Literature | Class 10 ICSE English Literature Answer Key 2025 |
| Economics | Class 10 ICSE Economics Answer Key 2025 |
| Mathematics | Class 10 ICSE Mathematics Answer Key 2025 |
| Hindi | Class 10 ICSE Hindi Answer Key 2025 |
| History & Civics | Class 10 ICSE History & Civics Answer Key 2025 |
| Geography | Class 10 ICSE Geography Answer Key 2025 |
Students should stay tuned to live updates for the latest information on expert analysis, difficulty level, and real-time updates.
ICSE Class 10 Physics Answer Key 2025 Live Updates
Mar 17, 2025 08:00 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (xii) Answer
Ques: Q1 (xii) In the given circuits Y and Z, the resistors R1 and R2 are 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 ZAns: (b) Parallel in both the circuits
Mar 17, 2025 07:40 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (xi) Answer
Ques: 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.Ans: (c) (A) is true but (R) is false.
Mar 17, 2025 07:20 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (x) Answer
Ques: 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-1Ans: (d) 0.5 Jg-1K-1
Mar 17, 2025 07:00 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (ix) Answer
Ques: 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 IrAns: (b) V = ε - Ir
Mar 17, 2025 06:40 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (viii) Answer
Ques: 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°Ans: (c) 90°
Mar 17, 2025 06:20 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (vii) Answer
Ques: 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 2FAns: (d) between F and 2F
Mar 17, 2025 06:00 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (vi) Answer
Ques: 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 advantageAns: (a) Mechanical advantage
Mar 17, 2025 05:40 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (v) Answer
Ques: 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 lightAns: (a) gamma-rays, visible light, microwaves
Mar 17, 2025 05:20 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (iv) Answer
Ques: 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 waveAns: (b) Frequency of the wave
Mar 17, 2025 05:00 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (iii) Answer
Ques: 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 + heatAns: (c) chemical --> heat + light
Mar 17, 2025 04:40 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (ii) Answer
Ques: Q1 (ii) Which among the following is a vector quantity?
(a) work
(b) power
(c) energy
(d) moment of coupleAns: (d) moment of couple
Mar 17, 2025 04:20 PM IST
ICSE Class 10 Physics Answer Key 2025: Section A Question 1 (i) Answer
Ques: 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 motionAns: (b) have only rotational motion
Mar 17, 2025 04:00 PM IST
ICSE Class 10 Physics Answer Key 2025: Topics with Maximum Weightage
The maximum weightage topics in ICSE Class 10 Physics 2025 question paper were Induced Current, Temperature, Total Derivation of Ray, Electromagnetic Waves, and Competency.
Mar 17, 2025 03:40 PM IST
ICSE Class 10 Physics Answer Key 2025: Student Review 2
Some students opined that the question paper was a combination of diagram-based, analytical-based, and numerical-based. Questions came from competency.
Mar 17, 2025 03:20 PM IST
ICSE Class 10 Physics Answer Key 2025: Student Review 1
Some students opined that questions were balanced, and came from the syllabus only. They were presented in easy-to-comprehend language.
Mar 17, 2025 03:00 PM IST
Class 10 ICSE Physics Answer Key 2025: Which was the lengthiest section?
Based on the initial feedback, the lengthiest section in the question paper were the questions asked in Section B.
Mar 17, 2025 02:45 PM IST
Class 10 ICSE Physics Answer Key 2025: Was the paper time-consuming?
As per the student reviews, the paper was not time-consuming.
Mar 17, 2025 02:30 PM IST
Class 10 ICSE Physics Answer Key 2025: Overall expected good score
According to the candidates, the overall expected good score can be 55 to 60.
Mar 17, 2025 02:15 PM IST
Class 10 ICSE Physics Answer Key 2025: Difficulty Level of Section B
Based on the initial feedback, the difficulty level of Section B is Moderate.
Mar 17, 2025 02:00 PM IST
Class 10 ICSE Physics Answer Key 2025: Difficulty Level of Section A
Based on the initial feedback, the difficulty level of Section A is Easy to Moderate.
Mar 17, 2025 01:45 PM IST
Class 10 ICSE Physics Answer Key 2025: Overall Difficulty Level of the Paper
Based on the initial feedback, the overall difficulty level of the paper is Moderate.
Mar 17, 2025 01:30 PM IST
How will the ICSE Class 10 Physics Answer Key 2025 help students?
It allows students to calculate their estimated marks, analyze mistakes, and understand the correct approach to answering questions.
Mar 17, 2025 01:15 PM IST
Will the Class 10 ICSE Physics Unofficial Answer Key 2025 include all sets?
Yes, the unofficial answer key will provide solutions for all question paper sets.
Mar 17, 2025 01:00 PM IST
ICSE Class 10 Physics Unofficial Answer Key 2025 Live: Concluded at 1:00 PM
The Council for the Indian School Certificate Examinations (CISCE) has successfully conducted the ICSE Class 10 Physics 2025 Exam from 11 AM to 1 PM. The Class 10 ICSE Physics Answer Key 2025 can be released anytime soon on this page. Stay Tuned!
Mar 17, 2025 12:40 PM IST
ICSE Class 10 Physics Answer Key 2025 Live: Passing Marks
Students need to score at least 35% in theory and practical exams combined to pass.
Mar 17, 2025 12:20 PM IST
ICSE Class 10 Physics Answer Key 2025 Live: How to Check Unofficial Answer Key?
The CollegeDekho Team will accumulate the Class 10 ICSE Physics Answer Key 2025 here from all the coaching institutes and subject experts as soon as the exam is completed.
Mar 17, 2025 12:00 PM IST
ICSE Class 10 Physics 2025: Answer Key by Coaching Institutes
As soon as the exam concludes, the unofficial ICSE Class 10 Physics Answer Key 2025 will be provided by the different coaching institutes and the same will be provided below on this page.
Mar 17, 2025 11:40 AM IST
Class 10 ICSE Physics Answer Key 2025: Negative Marking
There is no negative marking in the ICSE Class 10 board exams.
Mar 17, 2025 11:20 AM IST
ICSE Physics Class 10 Answer Key 2025 Live: How soon will Solutions be Available?
Unofficial solutions will be available within a few hours of the exam on various educational websites.
Mar 17, 2025 11:00 AM IST
ICSE Class 10 Physics Unofficial Answer Key 2025: Exam Timings
The ICSE Class 10 Physics 2025 exam is to be conducted in an offline mode from 11 AM to 1 PM.
Mar 17, 2025 10:40 AM IST
ICSE Class 10 Physics Answer Key 2025: Can I Raise Objections?
Since the answer key is unofficial, students cannot raise objections. However, they can discuss discrepancies with their teachers.
Mar 17, 2025 10:20 AM IST
Is there an official answer key for ICSE Class 10 Physics 2025?
As of now, CISCE not releases an official answer key for Class 10th exams. However, students can refer to unofficial keys for reference.
Mar 17, 2025 10:00 AM IST
When will the ICSE Class 10 Physics Answer Key 2025 be released?
The unofficial answer key is expected to be available on March 17, 2025, a few hours after the exam. The official answer key, if released, will be updated later.
Mar 17, 2025 09:30 AM IST
ICSE Class 10 Physics Answer Key 2025: Section-wise Weightage Distribution
The marks distribution in Section A and Section B of the question paper across all units are
Unit Unit Name Section A Weightage with Options Section B Weightage with Options 1 Force, Work, Power and Energy 10 to 13 marks 9 to 12 marks 2 Light 5 to 7 marks 18 to 22 marks 3 Sound 3 to 5 marks 6 to 8 marks 4 Electricity 5 to 7 marks 6 to 8 marks Electromagnetism 2 to 4 marks 3 to 5 marks 5 Heat 3 to 5 marks 5 to 7 marks 6 Modern Physics 4 to 7 marks 5 to 7 marks Total 40 marks 60 marks Mar 17, 2025 09:15 AM IST
ICSE Class 10 Physics Answer Key 2025: Chapter-wise Weightage Distribution
The total marks distribution for all units is as follows:
Unit Unit Name Total Weightage with Options 1 Force, Work, Power and Energy 20 to 24 marks 2 Light 24 to 27 marks 3 Sound 10 to 12 marks 4 Electricity 13 to 15 marks Electromagnetism 6 to 8 marks 5 Heat 9 to 12 marks 6 Modern Physics 10 to 12 marks Total 100 marks Mar 17, 2025 09:00 AM IST
ICSE Class 10 Physics Answer Key 2025: Will unofficial answer key be accurate?
The unofficial answer key is prepared by subject experts and teachers. While it is generally accurate, some minor discrepancies may occur.
Mar 17, 2025 08:45 AM IST
Class 10 ICSE Physics Answer Key 2025 Live: Release Date and Time
The ICSE Class 10 Physics Answer Key 2025 exam is going to be conducted on March 17, 2025. The unofficial answer key will be released as soon as the concludes.
Mar 17, 2025 08:30 AM IST
ICSE 10th Physics Answer Key 2025: Exam Reporting Time
The reporting process for ICSE Class 10 Physics exam will end at 10:30 AM. Post that the candidates will not be allowed to enter the exam centre.
Mar 17, 2025 08:15 AM IST
ICSE Class 10 Physics Answer Key 2025: Exam Timings
The ICSE Class 10th Physics 2025 exam is all set to be conducted in offline mode from 11 am to 1 pm at various exam centres across the nation.
Mar 17, 2025 08:00 AM IST
Class 10 ICSE Physics Answer Key 2025: Exam Today
The Council for the Indian School Certificate Examinations (CISCE) will be conducting the ICSE Class 10 Physics exam today, March 17, 2025.