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Physics

Physics
In quantum mechanics a particle is represented by a

None of these
Wave
Wave packet
Particle

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Physics
In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is

Increased by 4%
Decreased by 2%
Increased by 2%
Decreased by 4%

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Physics
On which of the following techniques photostate machine works ?

Thermal Image—Making
Electrostatic Image—Making
Magnetic Image—Making
Electromagnetic Image— Making

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Physics
Green house effect is the heating up of the Earth's atmosphere which is due to

The infra-red rays
G-rays
X-rays
The ultraviolet rays

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Physics
Electromagnetic waves are transverse in nature is evident by

Reflection
Diffraction
Interference
Polarisation

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Physics
The freezing point of fresh water is ________ .

5°C
4°C
0°C
3°C

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MORE MCQ ON Physics

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