A bearm of white light is shone onto a glass prism. The light cannot be :
(a) deviated (b) dispersed (c) focused (d) refracted

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Solution

Answer : (c) focused

Explanation : Focusing is done by lens

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Similar questions

When a white light ray falls on a prism, the ray at its first surface suffers :

(a) no refraction

(b) only dispersion

(d) both deviation and dispersion.

Q. Which colour will be refracted the most when white light is dispersed from a prism?

Dispersion of white light occurs because different colours of white light undergo different extents of refraction. The dispersion is not evident in a glass slab like it is evident in a prism because the two refracting surfaces are parallel to each other.

After being dispersed form a prism, a white light splits into seven colours. Which colour will be refracted the most?

Q. What is dispersion of white light? What is the cause of such dispersion? Draw a diagram to show the dispersion of white light by a glass prism.

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A bearm of white light is shone onto a glass prism. The light cannot be : (a) deviated (b) dispersed (c) focused (d) refracted

Answer : (c) focused Explanation : Focusing is done by lens

A bearm of white light is shone onto a glass prism. The light cannot be :
(a) deviated (b) dispersed (c) focused (d) refracted

Answer : (c) focused

Explanation : Focusing is done by lens