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प्रश्न
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उत्तर
Refraction is the bending of light at the surface of separation, which takes when it passes from one optical medium to another optical medium with different optical densities.
Ray diagram showing refraction of light through a glass slab:
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संबंधित प्रश्न
The following diagram shows a 60°, 30°, 90° glass prism of critical angle 42°, Copy the diagram and complete the path of incident ray AB emerging out of the prism marking the angle of incidence on each surface.
When a ray of light from air enters a denser medium, it ______.
In fig 4.18, name the ray which represents the correct path of light while emerging out through a glass block.
Observe the figure and write accurate conclusion regarding refraction of light.
Which colour of light travels fastest in any medium except air?
How does the deviation produced by a prism depend on the refraction index of its material.
What is the refractive index of vacuum
Name two instruments of the total refracting prism in which is used.
The path of a ray of light coming from air passing through a rectangular glass slab traced by four students are shown as A, B, C and D in the figure. Which one of them is correct?
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| A | B | C | D |
A ray of light strikes the surface of a rectangular glass slab such that the angle of incidence in air is
- 0°,
- 45°.
In each case, draw a diagram to show the path taken by the ray as it passes through the glass slab and emerges from it.
