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Physics

Physics
The density of water is 1 g/cc. This is strictly valid at

4°C
100°C
25°C
0°C

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

Photoelectric Effect
Piezo - electric Effect
Edison Effect
Johnson Effect

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Physics
What is the SI unit of intensity of sound?

Heartz
Newton
Decibel
Tesla

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Physics
One light year is equal to

6 trillion miles
2 trillion miles
9 trillion miles
8 trillion miles

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Physics
Instruments for measuring Solar Radiation?

Pyranometer
Anemometer
Ammeter
Dynamometer

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Physics
During hot weather, the fan produces a feeling of comfort. This is because

Fan cools the air
Conductivity of air increases
Our perspiration eva-porates rapidly
Fan supplies cool air

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MORE MCQ ON Physics

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