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Physics

Physics
The distance between node and adjacent antinode is 30 cm. The wavelength is

60 cm.
120 cm.
30 cm.
90 cm.

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Physics
One light year is equal to

2 trillion miles
8 trillion miles
9 trillion miles
6 trillion miles

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Physics
The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall

Increases with height of the wall
Increases with depth of the wall
Depends on the area of the wall
Depends on the thickness of the wall

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Physics
The velocity of heat radiation in vacuum is

Equal to that of sound
Equal to that of light
Less than that of light
Greater than that of light

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Physics
One nanometer is equal to ________ meters.

10 raised to the power (-6)
10 raised to the power (-12)
10 raised to the power (-3)
10 raised to the power (-9)

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Physics
The atmospheric layer reflecting radio waves is called

Ozonosphere
Stratosphere
Mesosphere
Ionosphere

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MORE MCQ ON Physics

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