Question

Physics Worksheet 7 th light​

Answer 1

Answer:

1.concave

2.concave

3.inverted

4.concave

5.plane mirror

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Answer 2

Q1

a) Concave mirror

b) Concave lens

c) Real or Virtual image

d) Concave mirror

e) Rainbow

Q2

1) ans : Images formed by plane mirror are virtual, upright, left-right reversed, the same distance from the mirror as the object's distance and the same size as the object.

2) ans: A spherical mirror is a mirror which has the appearance of the spherical surface cut out of a portion. Principal focus or a focal point of spherical mirror is on the axis of a mirror or lens where after reflection or refraction of rays of light parallel to the axis converge or begin to converge.