Bits
MULTIPLE CHOICE QUESTIONS
1. The centre of a spherical mirror is called as
A) pole B) radius of curvature C) focal point D) centre of curvature
2. A diverging mirror is
A) A Plane mirror B) A Convex mirror C) A Concave mirror D) All of the above
3. The Centre of curvature of a .......... mirror is behind it
A) Concave B) Convex C) Convex or Concave D) None of these
4. In spherical mirrors all the distances should be measured from
A) pole B) focus C) optical centre D) focal length
5. 
is valid for
A) Convex mirrors only B) Concave mirrors only
C) Plane mirror D) Convex and Concave mirrors
6. The mirror used as a side mirror in a motor bike is
A) Convex mirror B) Concave mirror C) Plane mirror D) None of these
7. The mirrors used in the solar devices are
A) Concave mirror B) Convex mirror C) Plane mirror D) None of these
8. The mirror used by E.N.T. doctors is
A) Plane mirror B) Concave mirror C) Convex mirror D) None of these
9. The mirrors used to shave is
A) Plane mirror B) Concave mirror C) Convex mirror D) None of these
10. The mirror used to head lights of vehicles is
A) Convex mirror B) Concave mirror C) Plane mirror D) None the these
11. The mirror used in search light is
A) Plane mirror B) Convex mirror C) Concave mirror D) None of these
12. The rear view mirror used in vehicles is
A) Plane mirror B) Concave mirror C) Convex mirror D) None of these
13. The nature of the image formed in the rear view mirror is
A) inverted B) real image C) erect D) None of these
14. In the rear view mirror the vehicles looking like to move which side?
A) in the movement of vehicle side
B) opposite to movement of vehicle
C) in the movement of vehicle side and opposite to movement of vehicle
D) we can't see any thing
15. Size of the image formed in the rear view mirror of vehicles is
A) diminished B) enlarged C) same size D) No image formed
16. Which of the following match is incorrect?
A) Solar cooker - Concave mirror
B) ENT doctor - Concave mirror
C) Car head lights - Concave mirror
D) Rear view mirror - Concave mirror
17. In torches, search lights and head lights of vehicles the bulb is placed
A) At the centre of curvature of the reflector
B) Between the pole and the focus of the reflector
C) Very near to the focus of the reflector
D) Between the focus and centre of curvature of the reflector
18. We get a diminished image with a concave mirror when the object is placed
A) at F B) Between F and P C) at C D) Beyond C
19. The angle of incidence for a ray of light passing through the centre of curvature of concave mirror is
A) 45° B) 90° C) 0° D) 180°
20. The image is formed by a concave mirror is virtual, erect and magnified. The position of the object is
A) at F B) Between F and C C) at P D) Between P and F
21. Which of the following ray diagram is not correct?
22. Which of the following ray diagram is correct?
23. Which of the following ray diagram is not correct?
24. Which of the following ray diagram is correct?
25. A concave mirror forms a point sized image for an object at
A) centre of curvature B) focus C) Beyond C D) Infinity
26. A man having 6 m height observes his image 2 m height erect. The mirror used as.
A) Plane mirror B) Concave mirror C) Convex mirror D) None of these
27. Magnification produced by a convex mirror is always
A) Less than 1 B) More than 1 C) equal to 1 D) More or less than 1
28. Linear magnification produced by a concave mirror may be
A) Less than 1 B) More than 1
C) Less than 1, more than 1 or equal to 1 D) Less than 1 or more than 1
29. If the image formed is always virtual, the mirror can be
A) Concave mirror B) Plane mirror C) Convex mirror D) None of these
30. An object is placed at a distance of 10 cm from a Convex mirror of focal length 5 cm. Find the nature of the image
A) Real B) Virtual C) Real and Virtual D) No image is formed
31. Whatever be the position of the object, the image formed by a mirror is virtual, erect and smaller than the object, the mirror then must be
A) Plane B) Concave C) Convex D) None of these
32. The mirror which can form a magnified image of an object is
A) Plane mirror B) Concave mirror C) Convex mirror D) None of these
33. A real image of an object is to be obtained. The mirror required for this purpose is
A) Plane mirror B) Concave mirror C) Convex mirror D) None of these
34. In the case of Convex lens u, v, f are conventioned by
A) -, +, - B) -, -, + C) +, -, - D) -, +, +
35. If object distance for a concave mirror is 16 cm and image distance is 8 cm infront of the mirror. Then magnification
A) +0.5 B) -0.5 C) -2 D) +2
36. Linear magnification (m) produced by rear view mirror fitted in vehicles
A) > 1 B) < 1 D) equal to 1 D) ≥ 1
37. Which of the following image can not captured on a screen?
A) Real image B) Virtual image C) Inverted image D) None of these
38. Which image can be captured on a screen?
A) Real image B) Virtual image C) Erect D) None of these
39. The radius of curvature of a spherical mirror is 18 cm. What is the focal length?
A) 18 cm B) 36 cm C) 10 cm D) 9 cm
40. If u = -20 cm, f = -15 cm, then v and h1 are respectively
A) 40 cm, 3 cm B) 60 cm, 4.5 cm C) 30 cm, 4.5 cm D) 50 cm, 2.5 cm
ANSWERS: 1-D; 2-B; 3-B; 4-A; 5-D; 6-A 7-A; 8-B; 9-B; 10-B; 11-C; 12-C; 13-C; 14-C; 15-A; 16-D; 17-C; 18-D; 19-B; 20-D: 21-D; 22-D; 23-D; 24-D; 25-D; 26-C; 27-A; 28-C; 29-C; 30-B; 31-C; 32-B; 33-B; 34-D; 35-B; 36-B; 37-B; 38-A; 39-D; 40-B.
