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Physics

Physics
Atomic packing factor of body centred cubic structure (bcc) is

0.68
0.63
0.69
0.73

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Physics
Point A is at a lower electrical potential than point B. An electron between them on the line joining them will

Move towards A
Remain at rest
Move at right angles to the line joining A and B
Move towards B

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Physics
When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is

Dispersion of light
Refraction of light
Reflection of light
Scattering of light

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Physics
The Solar energy produced by

Fusion reaction
Combustion reaction
Fission reaction
None

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Physics
Longitudinal waves cannot travel through

Gas
Liquid
Solid
Vacuum

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Physics
Why does ice covered in sawdust not melt quickly ?

The water is absorbed by sawdust
Sawdust is a bad conductor of heat
Sawdust does not allow the air to touch the ice
Sawdust is good conductor of heat

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