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Physics

Physics
The paramagnetic theory of magnetism applies to

Mercury
Iron
Platinum
Nickel

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Physics
The wave theory of light can explain

Photoelectric effect
Interference of light
Comptom effect
Black body spectrum

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Physics
Blotting paper absorbs ink due to

Diffusion of ink through the blotting
Siphon action
Viscosity of ink
Capillary action phenomenon

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Physics
The device which converts sound energy into electrical energy is called

Microphone
Amplifier
Speaker
Transmitter

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Physics
Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted.

Rough black
Shining white
Shining black
Rough white

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Physics
The waveform of a certain signal can be studied by

Sonometer
Spectrometer
Cathode ray oscilloscope
P – n junction diode

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MORE MCQ ON Physics

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