Write true or false for each statement:

(a) The image formed by a plane mirror is real.

(b) When a light ray is reflected from a wall, the angle of incidence is not equal to the angle of reflection.

(c) The image of the right hand in a plane mirror looks like that of a left hand.

(d) The image formed by a plane mirror is upright.

(e) The image formed by a plane mirror can be obtained on a screen.

(f) The objects around us are seen due to irregular reflection of light.

(g) The speed of light in vacuum is 3 x 10⁸ m s^-1.

(h) A rose appears red in light of all the colours.

(i) A black paper absorbs light of all the colours and reflects none.

(j) The primary colours are red, blue and green.

Fill in the blanks:

(a) Angle of incidence = ……………

(b) The incident ray, the reflected ray and the normal lie ……………

(c) The image formed by a plane mirror is at a distance behind the mirror as …………… .

(d) The image formed by a plane mirror is …………… and …………… .

(e) We are able to see the objects around us due to …………… reflection.

(f) A …………… image cannot be obtained on a screen.

(g) One surface of mirror is made opaque by …………… it followed by a thin coating of paint of lead oxide.

(h) A plane mirror …………… reflect 100 percent light falling on it.

(i) The colour of an opaque object is the colour of light which it …………… .

(j) Magenta, cyan and yellow are the …………… colours.

A man standing in front of a plane mirror finds his image to be at a distance of 6 metre from himself. The distance of man from the mirror is:

1. 6 m
2. 3 m
3. 2 m
4. 12 m

The angle between the incident ray and the ray reflected from the plane mirror is 70°. The angle of incidence will be:

1. 70°
2. 30°
3. 35°
4. 90°