The SI unit of power is the
- AJoule
- BVolt
- CAmpere
- DWatt
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Answer: (D) Watt
Agniveer Navy Physics Questions with Answers & Explanations
20 Physics questions from the Science section of Agniveer Navy, 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.
The acceleration due to gravity on Earth is about
- A1.6 m/s²
- B8.9 m/s²
- C9.8 m/s²
- D10.8 m/s²
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Answer: (C) 9.8 m/s²
The bending of light when it passes from one medium to another is called
- ARefraction
- BDiffraction
- CReflection
- DDispersion
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Answer: (A) Refraction
Which lens is used to correct myopia (short-sightedness)?
- ABifocal lens
- BConvex lens
- CConcave lens
- DCylindrical lens
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Answer: (C) Concave lens
The instrument used to measure electric current is the
- AVoltmeter
- BOhmmeter
- CAmmeter
- DGalvanometer only
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Answer: (C) Ammeter
Which device converts mechanical energy into electrical energy?
- AMotor
- BBattery
- CGenerator
- DTransformer
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Answer: (C) Generator
Sound cannot travel through
- AAir
- BVacuum
- CSteel
- DWater
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Answer: (B) Vacuum
The speed of light in vacuum is about
- A3 × 10⁶ m/s
- B340 m/s
- C3 × 10⁸ m/s
- D3 × 10⁵ m/s
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Answer: (C) 3 × 10⁸ m/s
The SI unit of work and energy is the
- AJoule
- BNewton
- CWatt
- DPascal
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Answer: (A) Joule
The SI unit of force is the
- APascal
- BJoule
- CWatt
- DNewton
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Answer: (D) Newton
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Timed Science test · 25 questions · instant rank
The instrument used to measure atmospheric pressure is the
- ABarometer
- BAmmeter
- CHygrometer
- DThermometer
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Answer: (A) Barometer
The SI unit of electrical resistance is the
- AOhm
- BFarad
- CVolt
- DAmpere
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Answer: (A) Ohm
The instrument used to measure electric current is the
- AAmmeter
- BGalvanometer only
- CVoltmeter
- DOhmmeter
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Answer: (A) Ammeter
Sound cannot travel through
- ASteel
- BAir
- CVacuum
- DWater
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Answer: (C) Vacuum
The SI unit of frequency is the
- ADecibel
- BWatt
- CTesla
- DHertz
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Answer: (D) Hertz
Absolute zero temperature is
- A−273.15 °C
- B−100 °C
- C−459 °C
- D0 °C
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Answer: (A) −273.15 °C
An electric motor converts
- ALight into electricity
- BMechanical energy into electrical energy
- CHeat into electricity
- DElectrical energy into mechanical energy
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Answer: (D) Electrical energy into mechanical energy
Ultrasound has a frequency greater than
- A200 Hz
- B20,000 Hz
- C20 Hz
- D2,000 Hz
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Answer: (B) 20,000 Hz
A rainbow is formed due to
- AScattering only
- BDispersion and total internal reflection of light
- CPolarisation
- DOnly reflection
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Answer: (B) Dispersion and total internal reflection of light
Which lens is used to correct myopia (short-sightedness)?
- ABifocal lens
- BCylindrical lens
- CConvex lens
- DConcave lens
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Answer: (D) Concave lens
These are RankerClub practice questions written in the Agniveer Navy pattern. They are not official SSC/IBPS/RRB papers.
