Question

EXERCISE
Choose the correct option for each of the following.
Which of the following is the non-luminous object?
1
(a) Sun
(b)
Moon
2 Choose the odd object based on the passage of light through them.
(a) Glass slab
(c) Stars
(d) Firefly
(b) Wooden block (©) Rubber cork
(d) Cardboard sheet
a The formation of a shadow is a consequence of
(a) reflection of light
(b) rectilinear propagation of light
(c) multiple reflections of light (d) All of the above
4. In which of the following sequence, a shadow will be formed?
(a) Light source, screen and object (b) Light source, object and screen
(©) Object, screen and light source (d) Object, light source and screen​

Answer 1

Answer:

i) (a) moon

Explanation:

Answer 2

1.Moon

2.Glass slab

3. Reflection of light

4.Light source-Object-Screen