Question

EXERCISES
(d) sun 7
A. Tick (/) the correct answer:
1. An example of luminous object is/are:
(a) earth (b) planets
(c) moon
2. An example of non-luminous object is/are:
(b) moon
(c) bulb
3. An example of living light is:
(a) jugna
(b) sun
(c) moon
(d) bulb
4. In a concave mirror:
(a) inner surface is polished
(b) outer surface is polished
(c) both surfaces are polished
(d) only the plane side is polished
5.convex mirror is used in:
(a) cars or other vehicles as rear view mirrors
(b)solar cookers
(c)torches
(d)headlights of cars and other vehicles.​

Answer 1

Answer:

1. d) sun

2. b) moon

3. a)jugnu

4. b) outer surface is polished

5. a) cars or other vehicles as rear view mirrors

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Answer 2

Answer:

1. ans:- sun

2. ans:- moon

3. ans:- sun

4. ans:- outer surface is polished

5. ans:- cars or other vehicles as rear view mirrors

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