Question

convex .....

19 (i) What type of mirror was fixed in the Shop

(a) convex mirror

(b) concave mirror

(c) plane mirror

(d) plano-concave mirror


19 (ii) The two important characteristics of such mirror which helped in

preventing ‘shp-lifting’ are

(a) real image and wide area coverage

(b) real and enlarged image

(c) virtual image and wide area coverage

(d) virtual and enlarged image


19 (iii) The image formed by such mirrors is

(a) always inverted

(b) always erect

(c) erect or inverted based on the position of the object

(d) of same size as that of the object


19 (iv) After a few days that mirror becomes dirty. During cleaning, Ganesh

held the mirror inside a cleaning liquid. So, what should be the change in

the focal length of the mirror?

(a) increases

(b) decreases

(c) no change

(d) may increase or decrease depending upon the refractive index of liquid.



19 (v) This type of mirrors can also be used as:

(a) a rear-view mirror

(b) car headlight mirror

(c) a shaving mirror

(d) reflecting mirrors in a solar furnace.​

Answer 1

Answer:

1.plane mirror

2.virtual and enlarge image

3.always erect

4.may increase or decrease depending upon the refractive index of liquid.

5.a rear view mirror

Explanation:

thanks..