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प्रश्न
Name the colour of white light which is deviated the most on passing through a prism.
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उत्तर
Violet colour will deviate the most on passing through a prism.
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संबंधित प्रश्न
Explain how the formation of a rainbow occurs.
On the basis of the experiment, "To trace the path of a ray of light through a rectangular glass slab", students of a class arrived at which one of the following conclusions?
(A) Angle of incidence is greater than the angle of emergence.
(B) Angle of emergence is smaller than the angle of refraction.
(C) Emergent ray is parallel to the refracted ray.
(D) Incident ray and emergent ray are parallel to each other.
What do you understand by the statement the refractive index of glass is 1.5 for white light?
“A ray of light incident on a rectangular glass slab immersed in any medium emerges parallel to itself.” Draw labelled ray diagram to justify the statement.
A ray of light passes from air to water. In fig. 39, which of the ray A, B, C and D is the correct refracted ray?
Fill in the blank to complete the following sentence:
When light travels from a rarer to a denser medium, it bends ...........
Fig shows a lens as a combination of a glass block and two prisms.
(i) Name the lens formed by the combination.
(ii) what is the XX' called?
(iii) Complete the ray diagram and show the path of the incident ray PQ after passing through the lens.
(iv) The final emergent ray will either meet XX' at a point or appear to come from a point on XX'. what is the point called?
Name the phenomenon responsible in the following case:
Apparent bending of a stick in water
Does the depth of a tank of water appear to change or remain the same when viewed normally from above?
