Q. Which one of the following shows lateral inversion?
-
(A)
Plane mirror
-
(B)
Concave mirror
-
(C)
Convex mirror
-
(D)
Convex lens
β
Correct Answer: (A)
Plane mirror
Q. Light travels in
-
(A)
curved line
-
(B)
straight line
-
(C)
linear line
-
(D)
canβt say
β
Correct Answer: (A)
curved line
Q. Which one shows lateral inversion?
-
(A)
Plane mirror
-
(B)
Convex mirror
-
(C)
Concave mirror
-
(D)
All of these
β
Correct Answer: (A)
Plane mirror
Q. White light is composed of
-
(A)
three colours
-
(B)
seven colours
-
(C)
five colours
-
(D)
eight colours
β
Correct Answer: (B)
seven colours
Q. Image formed by a plane mirror is
-
(A)
virtual and erect
-
(B)
real and erect
-
(C)
virtual and inverted
-
(D)
real and inverted
β
Correct Answer: (A)
virtual and erect
Q. A virtual image
-
(A)
can be formed on the screen
-
(B)
cannot be formed on the screen
-
(C)
is formed only by the plane mirror
-
(D)
is formed only by the convex mirror
β
Correct Answer: (B)
cannot be formed on the screen
Q. Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
-
(A)
plane mirror and concave mirror
-
(B)
concave mirror and convex mirror
-
(C)
plane mirror and convex mirror
-
(D)
convex mirror and plane mirror
β
Correct Answer: (C)
plane mirror and convex mirror
Q. Light is
-
(A)
an electromagnetic radiation
-
(B)
a transverse wave
-
(C)
mass less
-
(D)
All of the above
β
Correct Answer: (D)
All of the above
Q. If reflecting surface is convex, then it is a
-
(A)
concave mirror
-
(B)
erect
-
(C)
virtual
-
(D)
convex mirror
β
Correct Answer: (A)
concave mirror
Q. Which of the following can be used to form a real image?
-
(A)
Concave mirror only
-
(B)
Plane mirror only
-
(C)
Convex mirror only
-
(D)
Both concave and convex mirrors
β
Correct Answer: (A)
Concave mirror only
Q. The coloured band of light obtained by dispersion of light is called
-
(A)
image
-
(B)
spectrum
-
(C)
convergence
-
(D)
scattering
β
Correct Answer: (B)
spectrum
Q. The path of the light is
-
(A)
always a straight line
-
(B)
a curved line
-
(C)
a zig-zag line
-
(D)
depends on the medium
β
Correct Answer: (A)
always a straight line
Q. An image formed by a mirror or lens which is upright is
-
(A)
virtual
-
(B)
concave
-
(C)
erect
-
(D)
convex
β
Correct Answer: (A)
virtual
Q. Light is a form of
-
(A)
Energy
-
(B)
Power
-
(C)
Heat
-
(D)
Temperature
β
Correct Answer: (A)
Energy
Q. The image formed by plane mirror is
-
(A)
erect
-
(B)
virtual
-
(C)
concave
-
(D)
convex
β
Correct Answer: (A)
erect
Q. Which of the following can form real images?
-
(A)
A plane mirror
-
(B)
A convex mirror
-
(C)
A convex lens
-
(D)
A concave lens
β
Correct Answer: (C)
A convex lens
Q. _________________ is the change of direction of light that is falling on a mirror
-
(A)
direction
-
(B)
conversion
-
(C)
reflection
-
(D)
none of these
β
Correct Answer: (A)
direction
Q. When light bounces off a surface, the surface is
-
(A)
Transparent
-
(B)
Reflector
-
(C)
Opaque
-
(D)
Translucent
β
Correct Answer: (B)
Reflector
Q. In a concave mirror the reflecting surface is
-
(A)
Plane surface
-
(B)
Bulging out surface
-
(C)
Uneven surface
-
(D)
Bent-in surface
β
Correct Answer: (D)
Bent-in surface
Q. If an object is placed at a distance of 0.5 m in front of a plane mirror, the distance between the object and the image formed by the mirror will be
-
(A)
2 m
-
(B)
1 m
-
(C)
0.5 m
-
(D)
0.25 m
β
Correct Answer: (B)
1 m
Q. You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. To obtain an enlarged image of an object you can use either
-
(A)
concave mirror or convex mirror
-
(B)
concave mirror or convex lens
-
(C)
concave mirror or concave lens
-
(D)
concave lens or convex lens
β
Correct Answer: (B)
concave mirror or convex lens
Q. An erect and enlarged image can be formed by
-
(A)
only a convex mirror
-
(B)
only a concave mirror
-
(C)
only a plane mirror
-
(D)
both convex and concave mirror
β
Correct Answer: (B)
only a concave mirror
Q. You are provided with a convex mirror, a concave mirror, a convex lens and a concave lens. You can get an inverted image from
-
(A)
both concave lens and convex lens
-
(B)
both concave mirror and convex mirror
-
(C)
both convex mirror and convex lens
-
(D)
both convex mirror and concave lens
β
Correct Answer: (C)
both convex mirror and convex lens
Q. An image formed by a lens is erect. Such an image could be formed by a
-
(A)
convex lens provided the image is smaller than object.
-
(B)
concave lens provided the image is smaller than object.
-
(C)
concave lens provided the image is larger than object.
-
(D)
concave lens provided the image is of the same size.
β
Correct Answer: (B)
concave lens provided the image is smaller than object.
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