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Physics

Physics
Parsec is the unit of

Distance
Time
Magnetic line
Intensity of light

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Physics
For a ray of light to suffer total internal reflection it has to pass from :

Air to water
Air to glass
Water to glass
Glass to water

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Physics
The redness in atmosphere at Sunrise and Sunset is due to :

Dispersion of light
Scattering of light
Refraction of light
Reflection of light

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Physics
Heavy water is used in nuclear reactor to

Absorb neutron
Increase temperature
Increase speed of neutron
Slow down neutron

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Physics
The working of the quartz crystal in the watch is based on the

Piezo - electric Effect
Edison Effect
Johnson Effect
Photoelectric Effect

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Physics
Period of oscillation of 3 cm microwaves in seconds is

0.01
0.001
1 × 10–10
1 × 1010

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MORE MCQ ON Physics

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