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Physics

Physics
Red light has a wavelength of 70 A°. In "nm" it is

700 nm
7 nm
70 nm
0.07 nm

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Physics
Hydroscope is an instrument that shows changes in:

Density of liquid
Sound under water
Atmospheric humidity
None of these

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Physics
Which of the following has the highest entropy?

Liquid nitrogen
Mercury
Diamond
Hydrogen

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Physics
The term photon refers to

Sub atomic particle
Radiation
None of these
Light ray

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Physics
A spring is an example of which of these

Newton's 3rd law
Newton's 1st law
Conservation of mass law
Hooke's law

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Physics
When an unbalanced force acts on an object

Causes change in motion of the object
The speed & direction of the object will change
All of these
Causes the object to move

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MORE MCQ ON Physics

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