Question

28. The image formed by a spherical mirror is virtual. The mirror will be:

(a) concave

(b) convex

(c) either concave or convex (d) metallic

29. Whatever be the position of the object, the image formed by a mirror is virtual, erect and smaller than object. The mirror then must be :

(a) plane (b) concave

(c) convex (d) either concave or convex

30. The mirror used by a dentist to examine the teeth of a person is :

(a) convex (b) concave

(c) plane (d) any one of the above

31. If the image formed is always virtual, the mirror can be :

(a) concave or convex

(c) convex or plane

32. A concave mirror cannot be used as:

(b) concave or plane

(d) only convex

(a) a magnifying mirror (b) a torch reflector

(c) a dentist's mirror

(d) a rear view mirror

33. A boy is standing in front of and close to a special mirror. He finds the image of his head bigger t normal, the middle part of his body of the same size, and his legs smaller than normal. The special mirr made up of three types of mirrors in the following order from top downwards:
(a) Convex, Plane, Concave

(c) Concave, Plane, Convex

(b) Plane, Convex, Concave

(d) Convex, Concave, Plane

34. The mirror which can form a magnified image of an object is:

(a) convex mirror

(c) concave mirror

(b) plane mirror

(d) both convex and concave mirrors

35. A real image of an object is to be obtained. The mirror required for this purpose is :

(a) convex (b) concave

(c) plane (d) either convex or concave

36. Consider two statements A and B given below:

A: real image is always inverted

B: virtual image is always erect

Out of these two statements:

(a) only A is true

(b) only B is true

(c) both A and B are true

(d) none is true​

Answer 1

Answer:

convex

plane

concave

concave or convex

Explanation:

Answer 2

Answer:

28) convex

29) convex

30) concave

31) convex or plane

32) rear view mirror

33) convex, concave, plane

34) concave

35)concave

36)both A and B is true