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प्रश्न
A ray of light moving from an optically rarer to a denser medium
पर्याय
bends away from the normal
bends towards the normal
remains undeviated
none of the above
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उत्तर
bends towards the normal
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संबंधित प्रश्न
In the following diagram, the path of a ray of light passing through a glass prism is shown:
In this diagram the angle of incidence, the angle of emergence and the angle of deviation respectively are (select the correct option):
(A) X, R and T
(B) Y, Q and T
(C) X, Q and P
(D) Y, Q and P
Define the term dispersion of white light.
State the cause of dispersion of white light
What will happen if another similar glass prism is placed upside down behind the first prism?
Describe how you could demonstrate that white light is composed of a number of colours.
The splitting up of white light into seven colours on passing through a glass prism is called ______.
When a white light ray falls on a prism, the ray at its first surface suffers ______.
A glass prism is able to produce the spectrum when white light passes through it, but a glass slab doesn’t produce any spectrum. Explain why it is so.
A wave has wavelength 50Å of name the wave.
In the figure, a beam of light consisting of three colours blue, red, and yellow is incident on a prism and on a rectangular glass block respectively. Complete the diagram by drawings of the refracted and emergent rays.
