Physics
Which one of the following is not a property of electromagnetic waves?

Electromagnetic waves do not show interference and diffraction.
Oscillating electric field and magnetic field are perpendicular to each other.
Electromagnetic waves are transverse waves
Electromagnetic waves do not require a medium to propagate.

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Physics
Energy in reflected light :

Decreases with the increase in angle of incidence
Becomes maximum for angle of incidence equal to 45°
Does not depends on the angle of incidence
Increases with the increase in angle

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