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Physics

Physics
Which one of the following is the value of one nanometer?

10-6 cm
10-7 cm
10-3 cm
10-4 cm

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Physics
The device which transfer the signal from low resistance region to high resistance region is

Transistor
Diode
Inductor
Capacitor

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Physics
A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments

Depends on the speeds of various fragments
Depends on the total mass of all the fragments
Is infinity
Is zero

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Physics
Lens is made up of

Pyrex glass
Flint glass
Cobalt glass
Ordinary glass

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Physics
Woollen cloth protects the body from cold because

It is a good conductor of heat
It reflects heat
It is a poor conductor of heat
External heat rays enter into the body through the woollen cloth

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Physics
If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same:

Momentum
Kinetic energy
Velocity
Acceleration

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