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Physics

Physics
Lamberts law is related to

Interference
Illumination
Refraction
Reflection

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Physics
The rice is cooked more quickly in a pressure cooker because

None of these
Less quantity of water is used.
Water boils at a higher temperature under pressure.
It is covered.

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Physics
Optical Fibre technology works on which of these principles of Physics?

Newton's law of Motion
Total internal reflection of Light
Bernoulli's Principle
Photoelectric effect

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Physics
As water is cooled from 4 deg C to 0 deg C, its density

None of these
Remains same
Decreases
Increases

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Physics
Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is :

1.5
1.2
1
2

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Physics
Water drops cannot stick to the oily surface due to

Water is lighter than oil
Surface tension
Lack of adhesive force
Cannot mix each other

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MORE MCQ ON Physics

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