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Physics

Physics
The Solar energy produced by

None
Fusion reaction
Fission reaction
Combustion reaction

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Physics
A photostat machine works on

Thermal image making
Magnetic image making
Electromagnetic image making
Electrostatic image making

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

Increases
Decreases
None of these
Remains same

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Physics
The value of coefficient of restitution in perfectly elastic collision is

2
0.5
1

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Physics
Steam at 100°C causes more severe burns than water at 100°C because

Steam has latent heat of vaporisation
Steam has no specific heat capacity
Water has no specific heat capacity
Water has latent heat of fusion

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Physics
An oil drop spreads over water because

Oil does not mix with water
Oil is lighter than water
Oil is more viscous
water has a higher surface tension

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MORE MCQ ON Physics

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