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Physics

Physics
A boat will submerge when it displaces water equal to its own:

Density
Volume
Weight
Surface area

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Physics
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by

Ammonia
Carbon dioxide
Chlorine
Ozone

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Physics
Angle of friction and angle of repose are

Proportional to each other
Not equal to each other
None of these
Equal to each other

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Physics
A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because

None of these
A parachute has a larger surface area and air resistance is more
Special mechanisms are present in parachute
Stone is heavier than parachute

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Physics
The energy that generates wind comes from what source?

None of these
Solar radiation
Ocean currents
Anemometers

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Physics
1 Micron is equal to

10–9 m
10–6 m
10–12 m
10–15 m

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MORE MCQ ON Physics

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