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Physics

Physics
'Therm' is the unit of

Distance
Heat
Light
Power

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Physics
Magnifying Glass is basically a

Convex lens
Plano-concave lens
Concave lens
Cylindrical lens

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Physics
The unit of Planck's constant is

Js
Js–2
J/s
Js2

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Physics
Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is

Homogeneous and transparent
Inhomogeneous and transparent
Made up of slabs of different refractive indices
Of variable refractive index

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Physics
A nuclear reactor is said to have become 'critical' when

It stops due to malfunctioning
It is shut down to avoid explosion
It is ready to produce controlled energy
It starts emitting dangerous radioactive radiations

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Physics
Intensity of sound at a point is ____ its distance from the source.

inversely proportional to square of
directly proportional to square of
directly proportional to
inversely proportional to

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