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Physics

Physics
If the spinning speed of the earth is increased then the weight of body at the equator

Increases
Double
Same
Decreases

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Physics
For which Diode is used ?

Amplification
Modulation
Purification
Oscillation

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Physics
The velocity of sound in moist air is more than in dry air because the moist air has

Less density than dry air.
Less pressure than dry air.
More pressure than dry air.
More density than dry air.

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Physics
The ''four stroke petrol engine' is based on

Diesel-cycle
Boyle's-cycle
Carnot-cycle
Otto-cycle

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Physics
What are the particles emitted by radioactive element after 3 consecutive disintegration?

2 beta 2 alpha
2 beta 1 alpha
1 alpha 1 beta
2 alpha 1 beta

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Physics
Eclipses occur due to which optical phenomena?

Refraction
Diffraction
Reflection
Rectilinear propagation

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MORE MCQ ON Physics

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