Ray Optics Test

Result

Ray Optics Test - 105

Score
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Rank
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Weekly Quiz Competition

Question 1
4 / -1

A light bulb is at a depth of D below the surface of water. An opaque disc of radius R is placed on the surface of water just above the bulb. The bulb is not at all seen through the surface of water, then (n = Refractive index of water)

A

B

C

D

Solution
Question 2
4 / -1

As the position of an object (u) reflected from a concave mirror is varied, the position of the image (v) also varies. By letting the u changes from 0 to + ∞ the graphbetween v versus u will be

A

B

C

D

Solution
Question 3
4 / -1

When light is incident on a medium at angle i and refracted into a second medium at an angle r, the graph of sin i vs sin r is as shown in the graph. From this, one can conclude that

A
Velocity of light in the second medium is 1.73 times the velocity of light in the I medium

B
Velocity of light in the I medium is 1.73 times the velocity in the II medium

C

D

Solution
Question 4
4 / -1

The graph between the lateral magnification (m) produced by a lens and the distance of the image (v) is given by

A

B

C

D

Solution
Question 5
4 / -1

The graph shows variation of with v change in u for a mirror. Points plotted above the point P on the curve are for values of v

A
Smaller then f

B
Smaller then 2f

C
Larger then 2f

D
Larger than f

Solution
Question 6
4 / -1

The graph shows how the magnification m produced by a convex thin lens varies with image distance v. What was the focal length of the used lines

A
b/c

B
b/ca

C
bc/a

D
c/b

Solution
Question 7
4 / -1

Which of the following show appropriate variation of refractive index μ with wavelength λ?

A

B

C

D

Solution
Question 8
4 / -1

A

B

C

D

Solution
Question 9
4 / -1

The graph between u and v for a convex mirror is

A

B

C

D

Solution
Question 10
4 / -1

For a concave lens, if real image is formed the graph between (u + v) and u or v is as follows

A

B

C

D

Solution