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Physics

Physics
The SI unit for measuring work and energy is

Farad
Watt
Joule
Ohm

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Physics
The waveform of a certain signal can be studied by

Spectrometer
P – n junction diode
Cathode ray oscilloscope
Sonometer

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Physics
Echo is heard due to

Interference
Reflection
Scattering
Refraction

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Physics
Speed regulation of synchronous motor is

Zero
0.005
0.25
0.01

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Physics
Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water

Increases to a great extent
Decreases slightly
Increases slightly
Decreases rapidly

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Physics
Golden view of sea shell is due to

Dispersion
Polarization
Reflection
Diffraction

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MORE MCQ ON Physics

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