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Physics

Physics
Number of lattices in the orthorhombic system is

4
5
8
7

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Physics
When an electric bulb breaks, there is an explosive sound. That is due to

The air outside rushing in to fill the vacuum inside the bulb
The compressed gases inside rushing out suddenly
None of these
The chemical reaction between the gases inside the bulb

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Physics
A device which is used to limit the current in an electrical circuit is called a

Grid
Fuse
Conductor
Hub

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Physics
The damage of the human body due to radiation (X-rays or grays etc,) is measured in :

Curie
Rads
Roentgen
Rems

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Physics
Rolling friction is caused by ________

Gravity
Buoyancy
Power dissipation
Non-elastic effects

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Physics
A thin oil film on a water surface appears coloured because of

Polarization
Interference
Reflection
Diffraction

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MORE MCQ ON Physics

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