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Physics

Physics
In the remote control of television, electromagnetic waves used are

Radiowave
Infrared
Microwave
Ultraviolet

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Physics
A person can jump higher on the moon's surface than on the earth because :

The moon has no atmosphere
The acceleration due to gravity in moon is smaller than that on the earth.
The moon is cooler than earth
The moon's surface is rough

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Physics
Knot is a measure of

The speed of ship
Solar radiation
The curvature of spherical objects
Intensity of earthquake shock

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Physics
The distance between node and adjacent antinode is 30 cm. The wavelength is

60 cm.
120 cm.
90 cm.
30 cm.

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Physics
The focal length of a concave mirror with a radius of curvature of 20.0 cm is :

10 cm
20 cm
5 cm
15 cm

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Physics
At the center of the sun, fusion converts hydrogen into

Plutonium
Water
Helium
Carbon

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MORE MCQ ON Physics

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