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प्रश्न
The diagram shows the path of a ray of light through a rectangular glass block placed in a liquid of uniform density.
Show with the help of a ray diagram the path of the ray when incident ray normally falls on the first surface of the glass block and passes through the block and the liquid.
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उत्तर
संबंधित प्रश्न
Draw the diagram given below and clearly show the path taken by the emergent ray.
Name a prism required for obtaining a spectrum of Ultraviolet light.
How is the refractive index of a medium related to the speed of light in it?
Light of a single colour is passed through a liquid having a piece of glass suspended in it. On changing the temperature of liquid, at a particular temperature the glass piece is not seen. When is the glass piece not seen?
The refractive index of air with respect to glass is expressed as `""_g μ_a=sin i /sin r`.
- Write down a similar expression for aμg in terms of the angles i and r.
- If angle r = 90°, what is the corresponding angle i called?
- What is the physical significance of the angle i in part (b)?
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- the angle of refraction and
- the angle of deviation for the ray?
Does the depth of a tank of water appear to change or remain the same when viewed normally from above?
State the relation between the refractive index μ and the velocity of light (vm) in that medium.
In what condition a prism is said to be in the position of minimum deviation? What is the direction of the refracted ray inside the prism in this condition?
