The bending of light as it passes from one transparent medium into another is called refraction. Place a pencil in an inclined position in a glass trough and fill three fourths of the trough with water.
7(i) What would happen if kerosene is used instead of water?
Pencil appears to be bent less.
Pencil does not bend.
Pencil appears to be bent more.
none of these.
7(ii) Where does the deviation of the ray take place?
At the point on the surface where the media get separated.
At the bottom of the glass.
When the ray passes through the water.
when the ray passes through the air.
7(iii) Why does the ray of light undergo a deviation here?
The difference of speed of light rays in different media.
The speed of light rays is the same in the same medium.
Both a & b.
None of these.
7(iv) Light travel fastest in
Water
Air
Glass
Diamond
7(v) Refractive index of water with respect to air is 1.33. What is the value of the refractive index
of air with respect to water?
1.33
0.75
3x10^8
2.25x10^8
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Answer:
scattering of light
Explanation:
when a light is fall on any object it spread inn surrounding
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