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Physics

Physics
Rear view mirror of car is convex or concave?

Both A & B
Can't be determined
Convex
Concave

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Physics
Which one among the following doesn't have any effect on velocity of sound ?

Density
Temperature
Humidity
Pressure

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Physics
For which one of the following, ''Diodes' are generally used for?

Filtration
Rectification
Modulation
Amplification

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Physics
The unit of Planck's constant is

Js
J/s
Js–2
Js2

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Physics
The rate at which energy is transferred is called

Potential
Watt
Volt
Power

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Physics
If the earth suddenly stop rotating, the value of "g" will be

Increase
Become Zero
Same
Decrease

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