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प्रश्न
The splitting up of white light into seven colours on passing through a glass prism is called ______.
पर्याय
refraction
deflection
dispersion
scattering
reflection
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उत्तर
The splitting up of white light into seven colours on passing through a glass prism is called dispersion.
संबंधित प्रश्न
Draw a ray diagram to explain the term angle of deviation.
Draw a ray diagram to show the dispersion of white light.
When a white light ray falls on a prism, the ray at its first surface suffers ______.
Refer to fig
(i) Name the lens L.
(ii) What are the points O, O' called?
(iii) Complete the diagram to form the image of the object AB.
(iv) Write three characteristics of the image.
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
Write three conditions necessary to obtain a pure spectrum on a screen. Name the instrument in which the conditions stated by you are fulfilled.
Write an Explanation.
Critical angle
What is Newton’s disc?
The periscope is an optical device with a polished surface that reflects the light falling on it.
