Newton's first law of motion is also called the law of
- AGravitation
- BMomentum
- CAcceleration
- DInertia
- ENone of these
Show answer
Answer: (D) Inertia
XAT Physics Questions with Answers & Explanations
16 Physics questions from the General Knowledge section of XAT, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.
Sound cannot travel through
- ASteel
- BVacuum
- CAir
- DWater
- ENone of these
Show answer
Answer: (B) Vacuum
The speed of light in vacuum is about
- A3 × 10⁶ m/s
- B3 × 10⁵ m/s
- C3 × 10⁸ m/s
- D340 m/s
- ENone of these
Show answer
Answer: (C) 3 × 10⁸ m/s
Which device converts mechanical energy into electrical energy?
- AGenerator
- BTransformer
- CMotor
- DBattery
- ENone of these
Show answer
Answer: (A) Generator
The SI unit of frequency is the
- ATesla
- BDecibel
- CWatt
- DHertz
- ENone of these
Show answer
Answer: (D) Hertz
The sky appears blue because of
- AReflection of light
- BRefraction of light
- CDispersion of light
- DScattering of light
- ENone of these
Show answer
Answer: (D) Scattering of light
The unit of momentum is
- AN/m
- Bkg·m/s
- CJ/s
- Dkg·m/s²
- ENone of these
Show answer
Answer: (B) kg·m/s
The SI unit of electric current is the
- ACoulomb
- BOhm
- CAmpere
- DVolt
- ENone of these
Show answer
Answer: (C) Ampere
The SI unit of pressure is the
- ABar
- BJoule
- CPascal
- DNewton
- ENone of these
Show answer
Answer: (C) Pascal
The instrument used to measure electric current is the
- AVoltmeter
- BOhmmeter
- CGalvanometer only
- DAmmeter
- ENone of these
Show answer
Answer: (D) Ammeter
Ready for the real thing?
Timed General Knowledge test · 20 questions · instant rank
The acceleration due to gravity on Earth is about
- A8.9 m/s²
- B1.6 m/s²
- C9.8 m/s²
- D10.8 m/s²
- ENone of these
Show answer
Answer: (C) 9.8 m/s²
The SI unit of work and energy is the
- APascal
- BJoule
- CWatt
- DNewton
- ENone of these
Show answer
Answer: (B) Joule
Which lens is used to correct myopia (short-sightedness)?
- AConvex lens
- BCylindrical lens
- CBifocal lens
- DConcave lens
- ENone of these
Show answer
Answer: (D) Concave lens
Ultrasound has a frequency greater than
- A20 Hz
- B200 Hz
- C20,000 Hz
- D2,000 Hz
- ENone of these
Show answer
Answer: (C) 20,000 Hz
The instrument used to measure atmospheric pressure is the
- AHygrometer
- BAmmeter
- CBarometer
- DThermometer
- ENone of these
Show answer
Answer: (C) Barometer
The SI unit of power is the
- AVolt
- BWatt
- CAmpere
- DJoule
- ENone of these
Show answer
Answer: (B) Watt
These are RankerClub practice questions written in the XAT pattern. They are not official SSC/IBPS/RRB papers.
