Question

Something To Know
A. Fill in the blanks,
1.
A ray of light, passing from one medium to another, does not bend its in
its angle of incidence equals
2.
The more is the optical density of a given medium, the
of light through it.
3.
The phenomenon of the splitting of white light into seven colours is known as
the phenomenon of
4.
The point, on the principal axis of a concave lens, from where a beam of incident
parallel ray appears to diverge, is called the
of the concave ens
5.
An object should be placed at the
point so that a convex lens
forms its real and inverted image of the same size,​

Answer 1

Answer:

1.angle of incidence =90°

2

3 dispersion of light

4 focus of lens

5on the center of curvature

Answer 2

Answer:

1. 0

2. less

3. dispersion of light

4. focus of lens

5. centre of curvature.

Explanation:

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