Q 1 – 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
Ans. (a) always a straight line
Q 2 – Which one shows lateral inversion?
(a) Plane mirror
(b) Convex mirror
(c) Concave mirror
(d) All of these
Ans. (a) Plane mirror
Q 3 – Image formed by a plane mirror is
(a) virtual and erect
(b) real and erect
(c) virtual and inverted
(d) real and inverted
Ans. (a) virtual and erect
Q 4 – 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
Ans. (c) plane mirror and convex mirror
Q 5 – 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
Ans. (a) Concave mirror only
Q 6 – 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
Ans. (b) 1 m
Q 7 – 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
Ans. (b) concave mirror or convex lens
Q 8 – 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
Ans. (b) only a concave mirror
Q 9 – 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
Ans. (c) both convex mirror and convex lens
Q 10 – 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.
Ans. (b) concave lens provided the image is smaller than object.
Q 11 – Which one of the following shows lateral inversion?
(a) Plane mirror
(b) Concave mirror
(c) Convex mirror
(d) Convex lens
Ans. (a) Plane mirror
Q 12 – Which of the following is used as a side view mirror?
(a) Plane mirror
(b) Concave mirror
(c) Convex mirror
(d) Convex lens
Ans. (c) Convex mirror
Q 13 – 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
Ans. (a) always a straight line
Q 14 – White light is composed of
(a) three colours
(b) seven colours
(c) five colours
(d) eight colours
Ans. (b) seven colours
Q 15 – 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
Ans. (b) cannot be formed on the screen
Q 16 – The image formed by spherical mirror is virtual. The mirror will be
(a) concave
(b) convex
(c) either concave or convex
(d) none of these
Ans. (c) either concave or convex
Q 17 – The coloured band of light obtained by dispersion of light is called
(a) image
(b) spectrum
(c) convergence
(d) scattering
Ans. (b) spectrum
Q 18 – We can get an inverted image from
(a) both concave lens and convex lens.
(b) both concave mirror and convex mirror.
(c) both concave mirror and convex lens.
(d) both convex mirror and concave lens.
Ans. (c) both concave mirror and convex lens.
Q 19 – A convex lens is
(a) thick at centre
(b) thin at the centre
(c) thick at edges
(d) hollow at the centre
Ans. (a) thick at centre
Q 20 – The image that can not be obtained on a screen is called
(a) real image
(b) virtual image
(c) diminished image
(d) none of these
Ans. (b) virtual image
Q 21 – A ray of light falling on a mirror is a
(a) reflected ray
(b) normal
(c) deflection
(d) incident ray
Ans. (d) incident ray
Q 22 – The image of an object formed by a plane the mirror is
(a) virtual
(b) real
(c) diminished
(d) upside-down
Ans. (a) virtual
Q 23 – A diverging mirror is
(a) a plane mirror
(b) a convex mirror
(c) a concave mirror
(d) a shaving mirror
Ans. (b) a convex mirror
Q 24 – If the image formed is always virtual, the mirror can be
(a) concave or convex
(b) concave or plane
(c) convex or plane
(d) only convex
Ans. (c) convex or plane
Q 25 – Which of the following mirrors can form a real image of an object?
(a) Convex
(b) Concave
(c) Plane
(d) Either (a) or (b)
Ans. (b) Concave
Q 26 – The splitting up of white light into seven colours on passing through a glass prism is called
(a) refraction
(b) deflection
(c) dispersion
(d) scattering
Ans. (c) dispersion
Q 27 – If you are standing 2 m away from a plane mirror, the distance between you and your image is
(a) 2 m
(b) 4 m
(c) 6 m
(d) 8 m
Ans. (b) 4 m
Q 28 – A spherical mirror having reflecting surface curved outward is a
(a) plane mirror
(b) concave mirror
(c) convex mirror
(d) either concave or convex
Ans. (c) convex mirror
Q 29 – A plane mirror produces a
(a) virtual and erect image
(b) virtual and inverted image
(c) real and erect image
(d) real and inverted image
Ans. (a) virtual and erect image
Q 30 – A diverging mirror is
(a) a plane mirror
(b) a convex mirror
(c) a concave mirror
(d) none of the above
Ans. (b) a convex mirror