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Physics

Physics
By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance?

102
1012
1036
2

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Physics
The spring constant of a spring depends on its

Thickness, its diameter and its material
Material only
Length and its diameter
Length only

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Physics
It is easy to burst a gas-filled balloon with a needle than with a nail. It is because

Nail exerts more pressure than needle on the balloon.
Needle exerts more pressure than nail on the balloon.
Gas is reactive with the needle.
Nail is more longer than needle.

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Physics
If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound?

0.084027777777778
0.16736111111111
0.052777777777778
0.044444444444444

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Physics
Rain drops acquire spherical shape due to

Surface tension
Elasticity
Friction
Viscosity

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

Meter
Kelvin
Mole
Candela

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MORE MCQ ON Physics

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