Advertisements
Advertisements
प्रश्न
Study the following diagrams in which the path of a ray of light passing through a glass prism as traced by four students P, Q, R and S is shown:
The student who has traced the path correctly is
(A) P
(B) Q
(C) R
(D) S
Advertisements
उत्तर
Student Q has traced the path correctly.
When light is travelling from a rarer medium to a denser medium, it bends towards the normal to the surface, while the light from a denser medium to a rarer medium bends away from the normal to the surface.
Hence, the correct option is B.
APPEARS IN
संबंधित प्रश्न
Why do the component colours of incident white light split into a spectrum while passing through a glass prism, explain
Define the term dispersion of white light.
When white light passes through a prism, it ............
Explain briefly, with the help of a neat labelled diagram, how white light gets dispersed by a prism. On which surface of a prism, there is both dispersion and deviation of light, and on which surface of the prism, there is only deviation of light ?
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
Distinguish between an impure spectrum and a pure spectrum.
Write the range of wavelength of the ultraviolet spectrum.
Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
A prism of refractive index `sqrt2` and refracting angle A produces minimum deviation δm of a ray on one face at an angle of incidence 45°, The values of A and δm are, respectively ______.
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
