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Physics

Physics
Echo is heard due to

Reflection
Refraction
Scattering
Interference

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Physics
A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is:

3
6
5
7

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Physics
A gas thermometer is more sensitive than a liquid thermometer because a gas :

Is lighter than liquid
Does not change state easily
Is easy to obtain
Expands more than a liquid

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Physics
Which of these travels in glass with minimum velocity ?

Red light
Green light
Violet light
Yellow light

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Physics
A device used for converting a.c. into d.c. is called

Transformer
Dynamo
Induction coil
Rectifier

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Physics
A concave lens always forms an image which is

Real and inverted
Virtual and inverted
Real and erect
Virtual and erect

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MORE MCQ ON Physics

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