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Physics

Physics
The least penetrating power ray is

Beta rays
Gamma rays
Alpha rays
None of these

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Physics
The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as

Audible sounds
Ultrasonics
Megasonics
Infrasonics

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Physics
Sending a frame to a group of stations is known as

Multicasting
Casting
Single casting
Spreading

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Physics
What is the unit of the physical quantity Entropy?

Watt per kelvin
Pascal per kelvin
Joule per kelvin
Newton per kelvin

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Physics
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by

Ozone
Chlorine
Ammonia
Carbon dioxide

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Physics
Relative humidity is expressed as

Percentage
Grams
Kilograms
Ratio

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MORE MCQ ON Physics

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