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GATE Physics Questions
Practise physics (science) for the Graduate Aptitude Test in Engineering: 10 multiple-choice questions, each with the correct answer and a worked explanation. Click an option to check it, or “New questions” for another set.
Physics practice
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Q1.Absolute zero is:
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Answer: C — −273.15 °C
0 K = −273.15 °C.
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Q2.A body starts at 6 m/s and accelerates uniformly at 5 m/s² for 10 s. Find its final velocity.
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Answer: D — 56 m/s
v = u + at = 6 + 5×10 = 56 m/s.
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Q3.The SI unit of force is the:
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Answer: A — Newton
1 newton = 1 kg·m/s².
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Q4.What force is needed to accelerate a 36 kg mass at 9 m/s²?
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Answer: C — 324 N
F = ma = 36 × 9 = 324 N.
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Q5.The speed of light in vacuum is approximately:
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Answer: D — 3 × 10⁸ m/s
c ≈ 2.998 × 10⁸ m/s.
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Q6.Find the kinetic energy of a 33 kg body moving at 12 m/s.
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Answer: C — 2,376 J
KE = ½mv² = ½ × 33 × 12² = 2,376 J.
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Q7.The phenomenon responsible for the blue colour of the sky is:
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Answer: C — Rayleigh scattering
Shorter (blue) wavelengths are scattered more by air molecules.
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Q8.A body starts at 4 m/s and accelerates uniformly at 4 m/s² for 9 s. Find its final velocity.
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Answer: C — 40 m/s
v = u + at = 4 + 4×9 = 40 m/s.
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Q9.Acceleration due to gravity on Earth’s surface is about:
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Answer: A — 9.8 m/s²
g ≈ 9.8 m/s².
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Q10.Find the kinetic energy of a 28 kg body moving at 11 m/s.
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Answer: D — 1,694 J
KE = ½mv² = ½ × 28 × 11² = 1,694 J.
How to approach physics questions
Write the formula before substituting and keep SI units throughout. Most numerical questions use one of: v = u + at, s = ut + ½at², F = ma, KE = ½mv², V = IR, P = I²R.
About GATE
Graduate Aptitude Test in Engineering — conducted by IISc Bengaluru and the IITs (organising institute rotates). Tests engineering and science graduates for M.Tech admissions and PSU recruitment; every paper includes General Aptitude.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
GATE practice topics
| Topic | Section | Question source |
|---|---|---|
| Algebra | Mathematics | Calculated (new numbers every set) |
| Probability & Combinatorics | Mathematics | Calculated (new numbers every set) |
| Physics | Science | Calculated + question bank |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| Vocabulary & Idioms | English | Question bank |