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Physics

Physics
Which of the following is indicated by the colour of a star ?

Distance
Temperature
Size
Weight

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Physics
What is the fundamental unit of amount of a substance?

Mole
Meter
Candela
Kelvin

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Physics
A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is

Greater than the weight of the man
Zero
Less than the weight of the man
Same as the weight of the man

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Physics
The velocity of sound in moist air is more than in dry air because the moist air has

More pressure than dry air.
Less density than dry air.
More density than dry air.
Less pressure than dry air.

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Physics
Which of the following is the unit of perceived loudness of sound ?

Hertz
Phon
Decibel
Sone

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Physics
A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will

Fall
Rise
First rise and then fall
Remain the same

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MORE MCQ ON Physics

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