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Physics

Physics
Light year is a unit of

Distance
Time
Light
Intensity of light

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Physics
When an unbalanced force acts on an object

Causes change in motion of the object
All of these
The speed & direction of the object will change
Causes the object to move

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Physics
Parsec is the unit of

Intensity of light
Time
Magnetic line
Distance

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Physics
In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by

Pcosq sina
Psinq cosa
Pcosq cosa
Psinq sina

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Physics
Who among the following gave the Uncertainty principle?

Werner Heisenberg
Ernset Rutherford
R.A Milkman
S.N Bose

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Physics
Rainbow is seen after rain because of hanging molecules of water which act as

Lenses
Mirrors
Prisms
Slabs

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MORE MCQ ON Physics

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