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प्रश्न
When a ray of light travels from water to air, it bends ............. the normal.
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उत्तर
When a ray of light travels from water to air, it bends away from the normal.
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संबंधित प्रश्न
State two effects caused by the refraction of light.
State whether the following statement is true or false:
Refraction occurs because light slows down in denser materials.
- With the help of a diagram, show how when light falls obliquely on the side of a rectangular glass slab, the emergent ray is parallel to the incident ray.
- Show the lateral displacement of the ray on the diagram.
We can see the sun even when it is little below the horizon because of ______.
Choose and write the correct option.
If we gradually increase the angle of incidence of a ray of light passing through prism then …..
A real image is formed by the light rays after reflection or refraction when they:
- actually meet or intersect with each other.
- actually converge at a point.
- appear to meet when they are produced in the backward direction.
- appear to diverge from a point.
Which of the above statements are correct?
Right or wrong sentence.
The incident rays and refracted rays are on opposite sides of the column.
Explain the working of a periscope.
A star appears twinkling into the sky because of the reflection of light by the atmosphere.
Under what circumstances there won’t be any refraction of light when it enters from one medium to another?
