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Physics

Physics
What is the minimum distance (in metres) required to hear an echo?

13
17
10
21

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

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

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Physics
An ideal gas cannot be

Both A & B
Solidified
Liquified
None of these

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Physics
One watt-hour is equivalent to

3.6 x 10-3 J
6.3 x 103 J
6.3 x 10-7 J
3.6 x 103 J

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Physics
Flemings ''Left hand Rule" is associated with the effect of

Magnetic field on magnet
Electric field on current
Magnetic Field on current
Electric field on magnet

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Physics
The absorption of ink by blotting paper involves:

Capillary action phenomenon
Siphon action
Diffusion of ink through the blotting
Viscosity of ink

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