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प्रश्न
State the dependence of angle of deviation on the wavelength of light
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उत्तर
The angle of deviation decreases with an increase in the wavelength of light. Thus, a prism deviates violet light the most and red light the least.
संबंधित प्रश्न
When a ray of light travels from air to glass slab and strikes the surface of separation at 90°, then it …………….
(a) bends towards normal
(b) bends away from normal
(c) passes unbent
(d) passes in zigzag way
Select from the following the best experimental setup for tracing the path of a ray of light passing through a rectangular glass slab.
(a) P
(b) Q
(c) R
(d) S
Why is the ratio of the velocities of light of wavelengths 4000Å and 8000Å in vacuum 1: 1?
How is the refractive index of a medium related to the speed of light in it?
A ray of light falls normally on the surface of a transparent glass slab. Draw a ray diagram to show its path and also mark angle of incidence and angle of emergence.
Why do the faces of persons sitting around campfire appear to shimmer?
The velocity of light in diamond is 121000 kms-1. What is its refractive index?
The refractive index of glass with respect to air is 1.5. What is the value of the refractive index of air with respect to glass?
What is lateral displacement?
