General Knowledge: Physics Questions Answer GK Quiz

Physics Question Answer 2025, Physics Quiz Questions 2025

Q. Horsepower is equal -
1) 776 watts
2) 746 watts
3) 11,000 volts
4) None of the above

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Q. The best electrical conductor among the following is -
1) Gold
2) Copper
3) Aluminum
4) Silver

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Q. Which of the following does not involve Total Internal Reflection?
1) Mirages in Deserts
2) Kaleidoscope
3) Diamond Sparkle
4) Transmission of light rays in Optical Fibres

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Q. For a wave, wavelength divided by the time period is equal to -
1) phase difference
2) frequency
3) wave velocity
4) amplitude

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Q. The unit of electrical resistance -
1) ampere
2) volt
3) coulomb
4) ohm

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Q. Which one of the following substances is the hardest?
1) Dimond
2) Brass
3) Steel
4) Iron

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Q. Which instrument is used to measure electric current?
1) Voltmeter
2) Ammeter
3) Electrometer
4) Hydrometer

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Q. Which of the following is a good conductor of electricity?
1) P.V.C
2) Glass
3) Rubber
4) Graphite

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Q. An electric motor converts -
1) electrical energy into heat energy
2) electrical energy into mechanical energy
3) mechanical energy into electrical energy
4) mechanical energy into heat energy

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Q. The resistance of metallic conductors -
1) increases with rising in temperature
2) decreases with rising in temperature
3) remains unchanged with change in temperature
4) becomes zero at very high temperature

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