Which one of the following statements is correct ?

The mass of an electron is about 1/2000 times that of a proton

A neutron is formed by combination of an electron and a proton. Therefore, it is neutral

An isotope of cobalt is used in the treatment of goiter

J. J. Thomson proposed that the nucleus of an atom contains only neutrons

Which one of the following statements is NOT correct?

A voltmeter has a low resistance and an ammeter has a high resistance

An ammeter is always connected in series in the circuit to measure the current

A voltmeter is always connected in parallel in a circuit to measure the voltage

A voltmeter has a high resistance and an ammeter has a low resistance

Which one among the following statements is correct ?

Pascal and N/m^2 represent the same unit

Pressure has magnitude as well as direction:

As we go deeper in a liquid, the pressure decreases

Action and reaction forces act on the same object

Physics — NDA Previous Year Questions

229 solved PYQs · 2021–2025 · General Science

Solved PYQs: 229
Years covered: 2021–2025
Avg / year: ~46
Subject: General Science

How many NDA questions come from Physics?

Physics has contributed 229 questions to National Defence Academy Examination papers between 2021 and 2025 — an average of about 46 questions a year. That count is measured from EByAi’s bank of 15,695 NDA questions, not estimated from a syllabus. Every one of the 229 questions carries a written, step-by-step solution, and each is tagged to Physics within General Science, so you can drill this chapter across every year at once instead of hunting through paper PDFs. Practising a chapter’s full PYQ history is the fastest way to learn the patterns examiners reuse.

Sample Physics questions from real NDA papers

These are 5 real questions from the bank — exactly as asked, with the answer one tap away. All 229 Physics questions (with full written solutions) are available in practice.

Question 1 · NDA 2025
Which one of the following statements is correct ?
1. (A) $A neutron is formed by combination of an electron and a proton. Therefore, it is neutral$
2. (B) $The mass of an electron is about 1/2000 times that of a proton$
3. (C) $An isotope of cobalt is used in the treatment of goiter$
4. (D) $J. J. Thomson proposed that the nucleus of an atom contains only neutrons$
Show answerAnswer
$Answer: (B) The mass of an electron is about 1/2000 times that of a proton$
Question 2 · NDA 2025
The energy is always conserved for a system which is
1. (A) $isolated only$
2. (B) $non-isolated only$
3. (C) $both isolated and non-isolated$
4. (D) $none of the above$
Show answerAnswer
$Answer: (A) isolated only$
Question 3 · NDA 2025
The universal constant of gravitation G has the unit
1. (A) $N$
2. (B) $m/s$
3. (C) $Joule$
4. (D) $N\cdotm²/kg²$
Show answerAnswer
$Answer: (D) N\cdotm²/kg²$
Question 4 · NDA 2025
Which one of the following statements is NOT correct?
1. (A) $An ammeter is always connected in series in the circuit to measure the current$
2. (B) $A voltmeter is always connected in parallel in a circuit to measure the voltage$
3. (C) $A voltmeter has a high resistance and an ammeter has a low resistance$
4. (D) $A voltmeter has a low resistance and an ammeter has a high resistance$
Show answerAnswer
$Answer: (D) A voltmeter has a low resistance and an ammeter has a high resistance$
Question 5 · NDA 2025
Which one among the following statements is correct ?
1. (A) $Pressure has magnitude as well as direction:$
2. (B) $As we go deeper in a liquid, the pressure decreases$
3. (C) $Action and reaction forces act on the same object$
4. (D) $Pascal and N/m^2 represent the same unit$
Show answerAnswer
$Answer: (D) Pascal and N/m^2 represent the same unit$

Physics questions by year

Year	Questions	Share of chapter questions
2025	54
2024	50
2023	45
2022	54
2021	26

Practise these 229 questions with solutions

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FAQs

How many NDA questions have been asked from Physics?

EByAi's bank holds 229 real NDA questions from Physics, asked between 2021 and 2025 — about 46 per year on average. Every count is measured from actual papers, not estimated.

Is Physics important for NDA?

229 questions over 5 papers make Physics a high-weightage chapter in NDA General Science. The year-wise table above shows exactly how often it appears.

Can I solve Physics PYQs online for free?

Yes. EByAi lets you solve NDA past-year questions in the browser with written solutions — free daily practice, no card needed.

More NDA General Science chapters

All NDA General Science chapters →NDA overview →