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Physics

Physics
The boiling point of water depends upon the

Volume
Density
Atmospheric pressure
Mass

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Physics
In radio-communication, the signals emitted by transmitting antenna are reflected on

Ozonosphere
Ionosphere
Stratosphere
Troposphere

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Physics
Speed of sound in air is unaffected by change in

Volume
Pressure
Temperature
Humidity

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Physics
The speed of sound travel fastest through

Solid
Liquid
Gas
None of these

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Physics
Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?

-3.75 diopters
-11.25 diopters
11.25 diopters
3.75 diopters

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Physics
Frictional force acts in

The opposite direction of the motion
The same direction as the motion
Upward direction
All the directions

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MORE MCQ ON Physics

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