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प्रश्न
A ray of light strikes the surface at a rectangular glass slab such that the angle of incidence is 45o.
In each case, draw diagram to show the path taken by the ray as it passes through the glass slab and emerges from it.
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उत्तर
When angle of incidence is 45o.
संबंधित प्रश्न
How must light travel out of a substance if it is not going to be refracted?
Fill in the blanks to complete the following sentence
When light travels from a denser to a rarer medium, its speed ……………….
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?
Name the phenomenon responsible in the following case:
Twinkling of stars
A ray of light passes from water to air. How does the speed of light change?
What is the total reflecting prism?
In the diagram below, PQ is a ray of light incident on a rectangular glass block.
Copy the diagram and complete the path of the ray of light through the glass block. In your diagram, mark the angle of incidence by letter ‘i’ and the angle of emergence by the letter ‘e’.
The diagram shows the path of a ray of light through a rectangular glass block placed in a liquid of uniform density.
What should be the rate of the speed of light through the liquid to the speed through the glass so that there is no refraction of light at the boundaries of the glass block when the system is illuminated by the light of one colour?
