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Last Updated On 01-06-2023 - By Jeesha Sara

The electromagnetic waves travel with a velocity

a)

Equal to velocity of sound

b)

Equal to velocity of light

c)

Less than velocity of light

d)

None of these


Question ID - 150174 :-

The electromagnetic waves travel with a velocity

a)

Equal to velocity of sound

b)

Equal to velocity of light

c)

Less than velocity of light

d)

None of these

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

Velocity of EM waves  = velocity of light



Next Question :

Light of wavelength  falls normally on a narrow slit. A screen placed at a distance of  from the slit and perpendicular to the direction of light. The first minima of the diffraction pattern is situated at  from the centre of central maximum. The width of the slit is

a)

b)

c)

d)


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