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Physics

Physics
One watt-hour is equivalent to

3.6 x 103 J
6.3 x 10-7 J
3.6 x 10-3 J
6.3 x 103 J

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Physics
The force that binds the neutrons and protons in a nucleus is called as:

Electromagnetic Force
Weak Nuclear Force
Gravitational Force
Strong Nuclear Force

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Physics
Find the current (in A) when a charge of 1200C flows in 6 seconds.

100
200
7200
3600

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Physics
Which one of the following wavelengths of light is most effective in photosynthesis ?

Orange
Green
Yellow
Blue

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Physics
A needle or a pin floats on the surface of water because of

Adhesive force
Surface energy
Surface tension
Viscosity

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Physics
For an object, the state of rest is considered to be the state of ________ speed.

Inverse
Zero
Decrease
Increasing

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