Which colour of light has the longest wavelength?
- AGreen
- BViolet
- CRed
- DBlue
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Answer: (C) Red
SSC Stenographer Physics Questions with Answers & Explanations
20 Physics questions from the General Awareness section of SSC Stenographer, 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.
Ultrasound has a frequency greater than
- A20,000 Hz
- B20 Hz
- C200 Hz
- D2,000 Hz
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Answer: (A) 20,000 Hz
The SI unit of work and energy is the
- AWatt
- BPascal
- CJoule
- DNewton
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Answer: (C) Joule
The instrument used to measure atmospheric pressure is the
- ABarometer
- BAmmeter
- CThermometer
- DHygrometer
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Answer: (A) Barometer
The SI unit of frequency is the
- ADecibel
- BWatt
- CTesla
- DHertz
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Answer: (D) Hertz
The instrument used to measure electric current is the
- AGalvanometer only
- BAmmeter
- COhmmeter
- DVoltmeter
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Answer: (B) Ammeter
The sky appears blue because of
- ARefraction of light
- BDispersion of light
- CReflection of light
- DScattering of light
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Answer: (D) Scattering of light
The SI unit of electrical resistance is the
- AOhm
- BVolt
- CFarad
- DAmpere
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Answer: (A) Ohm
Sound cannot travel through
- AAir
- BSteel
- CVacuum
- DWater
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Answer: (C) Vacuum
Which colour of light has the longest wavelength?
- ARed
- BGreen
- CBlue
- DViolet
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Answer: (A) Red
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Timed General Awareness test · 50 questions · instant rank
Which mirror is used as a rear-view mirror in vehicles?
- ACylindrical mirror
- BConcave mirror
- CPlane mirror
- DConvex mirror
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Answer: (D) Convex mirror
The SI unit of force is the
- AJoule
- BNewton
- CPascal
- DWatt
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Answer: (B) Newton
Ultrasound has a frequency greater than
- A20 Hz
- B20,000 Hz
- C2,000 Hz
- D200 Hz
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Answer: (B) 20,000 Hz
The SI unit of pressure is the
- ANewton
- BJoule
- CPascal
- DBar
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Answer: (C) Pascal
A rainbow is formed due to
- APolarisation
- BScattering only
- COnly reflection
- DDispersion and total internal reflection of light
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Answer: (D) Dispersion and total internal reflection of light
The bending of light when it passes from one medium to another is called
- AReflection
- BDispersion
- CDiffraction
- DRefraction
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Answer: (D) Refraction
An electric motor converts
- AHeat into electricity
- BMechanical energy into electrical energy
- CLight into electricity
- DElectrical energy into mechanical energy
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Answer: (D) Electrical energy into mechanical energy
The SI unit of work and energy is the
- AWatt
- BJoule
- CNewton
- DPascal
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Answer: (B) Joule
The instrument used to measure electric current is the
- AAmmeter
- BGalvanometer only
- COhmmeter
- DVoltmeter
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Answer: (A) Ammeter
Newton's first law of motion is also called the law of
- AMomentum
- BGravitation
- CAcceleration
- DInertia
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Answer: (D) Inertia
These are RankerClub practice questions written in the SSC Stenographer pattern. They are not official SSC/IBPS/RRB papers.
