LIGHT quiz questions and answers

See All Answers in TABLE CLICK HERE 1 of 14: The velocity of light in water is
A) 1.08 (27%)
B) 1.33 (38%)
C) 1.66 (18%)
D) 1.98 (17%)
Answer : B
2 of 14: The velocity of light in glass is
A) 1.98 (13%)
B) 2.00 (40%)
C) 1.66 (44%)
D) 1.09 (7%)
Answer : C
3 of 14: A convex lens magnifying glass is of
A) Short Focal Length (50%)
B) Long Focal Length (21%)
C) Very Long Focal Length (14%)
D) All the Above (14%)
Answer : A
4 of 14: Objective lens of a telescope forms
A) Real Image (50%)
B) Virtual Image (40%)
C) Indistinct Image (30%)
D) None of These (10%)
Answer : A
5 of 14: Eye piece of telescope forms a
A) Real Image (44%)
B) Virtual Image (53%)
C) Both of the Above (11%)
D) None of the Above (11%)
Answer : B
6 of 14: The film of camera is compared to which part of human eye
A) Iris (29%)
B) Lens (71%)
C) Choroid (0%)
D) Retina (80%)
Answer : D
7 of 14: In myopia,the image of distant object is formed
A) on the Retina (29%)
B) Behind the Retina (43%)
C) Before the Retina (54%)
D) Above the Retina (14%)
Answer : C
8 of 14: Astigmatism is corrected by using
A) Convex Lens (29%)
B) Concave Lens (43%)
C) Plane Lens (29%)
D) Cylindrical Lens (60%)
Answer : D
9 of 14: In order to get a parallel beam of light from a point source of light, we should use
A) a Concave Mirror (57%)
B) a Convex Mirror (0%)
C) a Plane Mirror (43%)
D) a Parabolic Mirror (60%)
Answer : D
10 of 14: Light travels at maximum speed in
A) Vacuum (57%)
B) Air (29%)
C) Water (14%)
D) None of These (0%)
Answer : A
11 of 14: Diopter is a unit of
A) Microscope (57%)
B) Telescope (0%)
C) Power of Lens (79%)
D) Eye Sight (14%)
Answer : C
12 of 14: If a lens converges a parallel beam of light at the focal point,the lens is
A) Concave Lens (29%)
B) Parabolic Lens (43%)
C) Cylindrical Lens (29%)
D) Convex Lens (60%)
Answer : D
13 of 14: If a lens diverges a parallel beam of light, the lens is
A) Concave (57%)
B) Convex (29%)
C) Parabolic (14%)
D) Cylindrical (0%)
Answer : A
14 of 14: The image of an object formed by a convex lens when that object is placed beyond the focal length is
A) Virtual and Inverted (57%)
B) Real and Inverted (69%)
C) Virtual and Magnified (14%)
D) Real and Magnified (0%)
Answer : B

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All Answers in table

SNO	ANSWER
1	B
2	C
3	A
4	A
5	B
6	D
7	C
8	D
9	D
10	A
11	C
12	D
13	A
14	B
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