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प्रश्न
Name two instruments of the total refracting prism in which is used.
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उत्तर
It is used in (i) periscope and (ii) binoculars.
संबंधित प्रश्न
Draw a ray diagram to show the refraction of light through a glass slab and mark angle of refraction and the lateral shift suffered by the ray of light while passing through the slab.
When a ray of light from air enters a denser medium, it ______.
A light ray in passing from water to a medium
(a) speeds up
(b) slows down. In each case, give one example of the medium.
What is meant by the statement the critical angle for diamond is 24°?
(i) What is the relation between the refractive index of water with respect to air `("_aμ_\text(w))` and the refractive index of air with respect to water `("_\text(w)μ_ a)` .
(ii) If the refractive index of water with respect to air `("_aμ_\text(w))` is`5/3`. Calculate the refractive index of air with respect to water `("_\text(w)μ_ a)` .
How does the deviation produced by a prism depend on the wavelength of incident light?
What is meant by the refraction of light?
A fish swimming in a pond seems nearer than it really is. Explain.
Explain briefly what causes the twinkling of stars at night.
