Whatever be the position of the object, the image formed by a mirror is virtual, erect and smaller than the object. The mirror then must be
convex
concave
plane
either concave or convex
The splitting up of white light into seven colours on passing through a glass prism is called
refraction
deflection
dispersion
scattering
Which of the following mirror can form a real image of an object?
either convex or concave
The image formed by a spherical mirror is virtual. The mirror will be
metallic
Which of the following would you prefer to use while reading small letters found in a dictionary?
a concave mirror
a concave lens
a convex mirror
a convex lens
Which of the following can form a virtual image which is always smaller than the object?
a. Concave mirror b. Concave lens c. Convex mirror d. Convex lens
A and B
B and C
A and C
B and D
An object is placed at a distance of 15cm from a convex lens of focal length 10cm. The image obtained on the screen is
upright and magnified
inverted and magnified
upright and diminished
A virtual image larger than the object can be produced by a
concave lens
concave mirror
convex mirror
plane mirror
The image formed by a plane mirror is
virtual, behind the mirror and enlarged
virtual, behind the mirror and of the same size as the object
real, at the surface of the mirror and enlarged
real, behind the mirror and of the same size as the object
A diverging mirror is
a plane mirror
a shaving mirror
