Question

A Very Short Answer Type Questions.

1.which colour of light reflected by an object will make
it appear blue?
2. What are the values of a. the angle of incidence and
b. the angle of reflection for normal incidence on a
plane mirror surface?
3. A concave mirror is placed in water. Will there be
any change in its focal length?
4. A person wants to see the full image of a tall building
in a small mirror. Which type of mirror should be used
by him?
5. A ray of light appears to pass through the principal
focus of a convex mirror. What will be its direction
of propagation after reflection from the mirror?
6. What type of image is formed on a cinema screen?
7. To use a concave mirror as a dentist's mirror, what
should be the position of the teeth?
8. Find the nature of the mirror if your image in it
always appears erect and of the same size.
9. A concave mirror forms a sharp image of a distant
tree. What is the separation between the mirror and
the screen called?
10. If a plane mirror is rotated by an angle Q, by how
much will the angle between the incident and the
reflected ray change?
11. An object appears blue when seen in white light.
What colour will it appear in red light?​

Answer 1

Answer:

the question was very big and im getting confused..im sry