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Physics

Physics
Which of the following is a good conductor of heat but a bad conductor of electricity ?

Rubber
Mica
Celluloid
Asbestos

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Physics
For photoelectric effect to take place, the metal used as the cathode should have ________

Low melting point
Low work function
High melting point
Low resistance

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Physics
When an unbalanced force acts on an object

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

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Physics
Which one of the following is a good electrical conductor?

Charcoal
Peat
Graphite
Diamond

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Physics
The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by

1 MeV
100 MeV
0.1 MeV
10 MeV

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Physics
Planck's constant has the dimensions of :

Angular momentum
Linear momentum
Force
Energy

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MORE MCQ ON Physics

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