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Physics

Physics
Alpha particle is the nucleus of an atom of

Helium
Oxygen
Lithium
Hydrogen

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

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
The moon has no atmosphere

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Physics
Safety fuse wire used in domestic electrical appliances is made of metal of low

Conductance
Specific gravity
Melting point
Resistance

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Physics
Energy per unit volume is dimensionally equal to

Pressure
Density
Force
Work

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Physics
Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength.

X -rays, visible, infrared, microwave
Microwave, infrared, visible. X-rays
X - rays, infrared, visible, microwave
Visible, infrared, microwave, X-rays

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Physics
Ozone layer in the outer atmosphere helps us in

Reflecting radio waves and makes radio communication possible
Absorbing cosmic ray particles
Regulating the temperature of atmosphere
Absorbing UV radiations

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MORE MCQ ON Physics

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