Advertisements
Advertisements
प्रश्न
Make the correct choice for each of the following:
Which one of the following Fig correctly shows the path of the ray through the glass block?
पर्याय
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Draw a ray diagram to explain the term angle of deviation.
Study the following ray diagram:
In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by
(A) y, p, z
(B) x, q, z
(C) p, y, z
(D) p, z, y
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
In the formation of spectrum of white light by a prism:
- which colour is deviated least?
- which colour is deviated most?
Draw a diagram to show the refraction of light through a glass prism. On this diagram, mark
(i) incident ray
(ii) emergent ray, and
(iii) angle of deviation.
A wave has wavelength 50Å of State the speed in vacuum.
What do you understand by spectrum? Name the seven prominent colours in order, as obtained in the spectrum of white light.
Sunlight entering through a narrow aperture falls on a prism. Draw a neat labelled ray diagram to show the formation of the spectrum on a screen. Name the colour obtained nearer the base of the prism.
Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
When sunlight passes through water droplets in the atmosphere it gets dispersed into its constituent colours forming a rainbow. A similar phenomenon is observed when white light passes through a prism.
Instead of sunlight, a green-coloured ray is passed through a glass prism. What will be the colour of the emergent ray?
