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Physics

Physics
The SI unit of luminous emittance is :

Candela
Lumen second
Lumen
Lux

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Physics
In nuclear reactor, heavy water is used as

Fuel
Moderator
Atomic smasher
Coolant

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Physics
If the length of a simple pendulum is halved then its period of oscillation is

Doubled
Decreased by a factor 2
Halved
Increased by a factor 2

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Physics
The moment of inertia of a body does not depend upon

The mass of the body
The angular speed of the body
The mass distribution in the body
The axis of rotation of the body

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Physics
A black body can absorb radiations of :

Lower wavelengths only
Intermediate wavelengths only
All wavelengths
Higher wavelengths only

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Physics
The weakest of all fundamental forces is

Electrostatic force
Magnetic force
Gravitational force
Nuclear force

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MORE MCQ ON Physics

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