General Knowledge Questions Answer GK Quiz

GK General Knowledge - Physics Question Answer Quiz

Q. Black-hole is -
1) a flight recorder in aeroplane
2) a spot on the sun
3) a place in Antarctica
4) a collapsed star

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Q. Which one of the following is associated with 'Albedo'?
1) Transmitting power
2) Absorbing power
3) Emissive power
4) Reflecting power

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Q. The phenomenon used in optical fibre for transmission of light energy is -
1) Total internal reflection
2) Diffraction
3) Scattering
4) Refraction

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Q. A liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by -
1) Conduction
2) Convection and radiation
3) Both (A) and (B)
4) None of the above

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Q. The unit of electric power is -
1) ampere
2) volt
3) coulomb
4) watt

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Q. The device to measure electric current is -
1) voltmeter
2) ammeter
3) voltameter
4) Potentiometer

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Q. What is measured in Hertz?
1) Frequency
2) Energy
3) Heat
4) Quality

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Q. Sound wave in air is -
1) transverse
2) longitudinal
3) electromagnetic
4) polarized

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Q. Which one of the following quantities does not have unit?
1) Stress
2) Force
3) Strain
4) Pressure

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Q. Which one of the following is a scalar quantity?
1) Force
2) Pressure
3) Velocity
4) Acceleration

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