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BITSAT Physics Questions
Practise physics (science) for the BITS Admission Test: 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.A transformer works on the principle of:
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Answer: B — Mutual induction
A changing current in one coil induces a voltage in the other.
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Q2.A current of 2.5 A flows through a 20 Ω resistor. What is the potential difference across it?
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Answer: B — 50 V
Ohm’s law: V = IR = 2.5 × 20 = 50 V.
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Q3.The frequency of a wave is measured in:
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Answer: A — Hertz
1 hertz = 1 cycle per second.
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Q4.A body starts at 4 m/s and accelerates uniformly at 2 m/s² for 6 s. Find its final velocity.
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Answer: A — 16 m/s
v = u + at = 4 + 2×6 = 16 m/s.
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Q5.Sound cannot travel through:
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Answer: C — Vacuum
Sound needs a medium; it cannot travel through a vacuum.
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Q6.A current of 1.5 A flows through a 2 Ω resistor. What is the potential difference across it?
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Answer: B — 3 V
Ohm’s law: V = IR = 1.5 × 2 = 3 V.
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Q7.The phenomenon responsible for the blue colour of the sky is:
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Answer: D — Rayleigh scattering
Shorter (blue) wavelengths are scattered more by air molecules.
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Q8.A body with initial velocity 12 m/s accelerates at 1 m/s² for 3 s. Find the distance covered.
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Answer: B — 40.5 m
s = ut + ½at² = 12×3 + ½×1×3² = 40.5 m.
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Q9.The SI unit of force is the:
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Answer: A — Newton
1 newton = 1 kg·m/s².
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Q10.Find the kinetic energy of a 21 kg body moving at 8 m/s.
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Answer: D — 672 J
KE = ½mv² = ½ × 21 × 8² = 672 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 BITSAT
BITS Admission Test — conducted by Birla Institute of Technology and Science (BITS), Pilani. Online admission test for BITS Pilani, Goa and Hyderabad campuses.
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.
BITSAT practice topics
| Topic | Section | Question source |
|---|---|---|
| Algebra | Mathematics | Calculated (new numbers every set) |
| Physics | Science | Calculated + question bank |
| Chemistry | Science | Calculated + question bank |
| English Grammar | English | Question bank |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |