Question

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to make white light,
Very Short Answer Type Questions
1. Is the image of an object in a plane mirror virtual or real ?
2. If an object is placed at a distance of 5 cm from a plane mirror, how far would it be from its image?
3. What type of image (real or virtual) is formed :
(a) in a plane mirror ?
(b) on a cinema screen ?
4. Write the word LEFT as you would see it in a plane mirror.
5. What reflects light when we see the images of trees and other objects in a lake?
6. What kind of mirror is required for always obtaining a virtual image of the same size as the object ?
7. What is the name of the phenomenon due to which the right side of an object appears to be left side of the
image in a plane mirror ?
8. Which phenomenon of light is involved in the formation of image of an object by a plane mirror ?
9. State one way in which your mirror image differs from you.
10. Name the phenomenon responsible for the following effect :
When we sit in front of a plane mirror and write with our right hand, it appears in the mirror that we are
writing with the left hand.
11. State whether the following statements are true or false :
(a) We can obtain a real, enlarged and inverted image by a concave mirror.
(b) We can obtain an enlarged and erect image by a convex mirror.
(c) The image of the flame of a lighted candle formed by a concave lens can be obtained on a screen.
(d) A concave lens always forms a virtual image.
(e) White light (like sunlight) consists of a mixture of lights of seven colours.
12. What type of mirror is the:
(a) back-side surface of a shining steel spoon ?​

Answer 1

Answer:

11. a. True

b.True

c.true

d.true

e.true