Light – Reflection And Refraction Questions

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Light - Reflection And Refraction Questions

List of light – reflection and refraction Questions

Question NoQuestionsClass
1Choose the correct options.
A. If the incident rays are converging, we have a real object
B. If the final ray are converging, we have a real image.
C. The image of a virtual object is called a virtual image.
D. If the image is virtual, the corresponding object is called a virtual object
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2Assertion
Virtual image can be photographed.
Reason

Only a real image can be formed on a
SCreen
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is
not the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Assertion is incorrect but Reason is correct

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3A concave mirror produces a real image of half the size of an object placed at 60 ( mathrm{cm} ) infront of it. Where should the object
be placed to obtain a virtual image of double the size of the object?
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4In which mirror a diminished virtual
image can be obtained?
A. A plane mirror
B. Convex mirror
c. Concave mirror
D. None of these
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5A driving mirror on a car is never
concave because:
( mathbf{A} ). its field of view is too small.
B. the image would be inverted.
C. the image would be virtual and therefore useless for the driver.
D. only a plane mirror forms true images.
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6Image formed by convex mirror is?
A. Virtual
B. Real
c. Enlarged
D. Inverted
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7Real image can be obtained on a screen
A. True
B. False
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8A virtual Image cannot be taken on the
screen.
A . True
B. False
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9A virtual image is one which:
A. can be taken on a screen
B. cannot be taken on a screen
c. sometimes can be and sometimes cannot be taken on
a screen
D. is formed only by a concave mirror
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10A concave mirror always forms a real
image
A . True
B. False
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11Virtual image can be caught on a
screen
A . True
B. False
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12State whether the following statement
is True or False.

A convex lens is a convergent lens and is used as a magnifying glass
A. True
B. False

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13A virtual image larger than the object can be produced by a
A. concave lens
B. Concave mirror
c. convex mirror
D. Plane mirror
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14A real image is always …….(inverted,
magnified)
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15Explain why a real image can be
projected on a screen but a virtual image cannot.
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16A real image:
A. cannot be captured on a screen
B. can be captured on a screen
C . can be captured only on a celluloid screen
D. none of the above
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17Is it possible to photograph a virtual image?
A. Yes
B. No
c. sometimes
D. Yes, provided that object is virtual
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18The image of an object which cannot be obtained on a screen is called
A. Enlarged image
B. Real image
c. virtual image
D. Inverted image
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19a diverging lens of focal length – 10 ( mathrm{cm} ) is moving towards right with a velocity ( 5 mathrm{m} / mathrm{s} ). An object, placed on Principal axis is moving towards left with a velocity ( 3 mathrm{m} / mathrm{s} ). The velocity of the image at the instant when the lateral magnification produced is ( 1 / 2 ) is: ( (mathrm{All} ) velocities are with respect to ground)
A. ( 3 mathrm{m} / mathrm{s} ) towards right
B. ( 3 mathrm{m} / mathrm{s} ) towards left
c. ( 7 mathrm{m} / mathrm{s} ) towards right
D. ( 7 mathrm{m} / mathrm{s} ) towards left
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20Assertion: Virtual object can’t be seen
by human eye. Reason: Virtual object is formed by
converging rays.
A. Both assertion and reason are correct and reason is
the correct explanation of the assertion
B. Both assertion and reason are correct, but reason is not the correct explanation of the assertion
C. Assertion is correct but reason is incorrect
D. Assertion is incorrect but Reason is correct
E. Both assertion and reason are incorrect
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21An arrow is placed at a distance of 25 ( mathrm{cm} ) from a diverging mirror of focal length ( 20 mathrm{cm} . ) Find the image distance.
A . ( 12.1 mathrm{cm} )
B. ( 13.1 mathrm{cm} )
( c .11 .1 c m )
D. ( 14.2 mathrm{cm} )
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22How can a convex lens behave like a
diverging lens.
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23Rear view mirrors in vehicles forms:
A . Real Image
B. Virtual Image
c. Both A and B
D. Neither A nor B
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24Can a converging lens produce a virtual image?
A. Yes, only when the object is placed at the focus of the lens.
B. Yes, only when the object is placed at the center of the lens.
C. Yes, when the object is placed inside the focal point.
D. Never
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25State three differences between a real
image and virtual image.
10
26State four uses of plane mirrors.10
27Image formed by plane mirror is
A. real and erect
B. virtual and erect
c. real
D. virtual
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28A transparent material which is thicker in the middle and thinner at the edges
is called:
A. Concave lens
B. Convex lens
c. Plano-concave lens
D. Convexo-concave lens
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29A virtual image is
A. always magnified
B. always erect
C . always caught on a screen
D. uncapturable on a screen
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30Write the differences between convex
and concave lens.
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31The image of our face in a plane mirror
is :
A . real
B. magnified
c. diminished
D. virtual
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32A virtual image larger than the object can be obtained by
A. Concave mirror
B. Convex mirror
c. Plane mirror
D. concave lens
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33Distinguish between real and virtual images.10
34Name : The image which cannot be
obtained on the screen
This question has multiple correct options
A. Virtual image
B. Erect Image
c. Real Image
D. Inverted Image
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35An image which can be only seen by the eye but cannot be taken on a screen is called a
A. virtual image
B. real image
c. artificial image
D. shadow
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36Read the following statements and select the correct option. Statement 1: It is not possible to photograph a virtual image. Statement 2: An image is said to be virtual if the reflected or refracted rays
are diverging in nature
A. Both statement 1 and statement 2 are true and statement 2 is the correct explanation of statement 1
B. Both statement 1 and statement 2 are true but statement 2 is not the correct explanation of statement 1.
c. statement 1 is true but statement 2 is false
D. Statement 1 is false but statement 2 is true
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