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Physics

Physics
Which measurement describes the pressure of a gas?

450 mm Hg
315 K
None of these
251 g/cub.cm

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

Photoelectric Effect
Edison Effect
Piezo - electric Effect
Johnson Effect

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Physics
Microphone is a device which transforms the

Sound signal into current signal
Sound signal into light signal
Light signal into sound signal
Current signal into sound signal

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Physics
1 amu is equivalent to

1 eV
931 KeV
931 eV
931 MeV

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Physics
The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by

10 MeV
1 MeV
100 MeV
0.1 MeV

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Physics
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

depressed
change its meniscus
will overflow
will not rise

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