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Physics

Physics
Ocean currents are an example of

Radiation
Insulation
Convection
Conduction

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Physics
The speed of sound in air depends on

Wavelength
Temperature
Frequency
None of these

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Physics
What is the unit of the physical quantity Entropy?

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

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Physics
What is the minimum escape velocity of rocket to be launched into space ?

11 Km/Sec.
6 Km/Sec.
5 Km/Sec.
15 Km/Sec.

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Physics
In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is

Increased by 4%
Increased by 2%
Decreased by 4%
Decreased by 2%

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Physics
It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?

Newton's third law
Law of inertia
Pascal's law
Newton's second law

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MORE MCQ ON Physics

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