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प्रश्न
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.
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उत्तर
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संबंधित प्रश्न
Define the term dispersion of white light.
How could you show that the colours of the spectrum combine to give white light?
A beam of white light is shone onto a glass prism. The light cannot be:
(a) deviated
(b) dispersed
(c) focused
(d) refracted
A beam of white light falls on a glass prism. The colour of light which undergoes the least bending on passing through the glass prism is:
(a) violet
(b) red
(c) green
(d) blue
The splitting of white light into its constituent colours is called .............
How does the speed of light determine the optical density of a medium?
Out of air and glass, which is optically rarer? Give reason.
Define the term dispersion of light.
In the spectrum of white light by a prism, the colour at the extreme end opposite to the base of prism is ______.
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
The wavelengths of violet and red light are 4000 Å and 8000 Å respectively. Which of the two has the higher frequency?
A wave has wavelength 50Å of State its one use.
The phenomenon of splitting of light into its component colours is ___________ .
A student has to trace the path of a ray of light through a glass prism. List four precautions he should observe for better results.
How can the presence of ultraviolet radiation be detected?
Rainbow is a beautiful natural phenomenon. It is the combined effect of a natural three processes together produced by light. Write it into the circle.
Observe the given figure and answer the following questions.
- Which colour light rays bend most?
- Which colour light rays bend least.
- What is the wavelength of violet light rays?
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
Curved mirrors have surfaces that are spherical, cylindrical, parabolic, and ellipsoid.
