Question

A convex mirror of focal length f forms an image which is
times the object. The distance of the obje
from the mirror is
b ) (c)
(d) +Y
An object 5cm tall is placed im from a concave spherical mirror which has a radius of curvature
20cm The size of the image is
(a) 0.11.com
(b) 0.50 cm
0.55em (d) 0.60 cm
The focal length of a concave mirror is f and the distance from the object to the principle focus is x. TH
ratio of the size of the image to the size of the object is
(c)
(a) +
The image formed by a convex mirror of focal length 30cm is a quarter of the size of the object. TI
distance of the object from the mirror is
ia) 30cm
(b) 90cm
(c) 120 cm
(d) 60cm
Which one of the following statements is true
(a) An object situated at the principle focus of a concave lens will have its image formed at infinity
fo) Concave mirror can give diminished virtual image
a naint source of light, a convex mirror can produce a parallel beam of light​

Answer 1

Answer:

1- b

Explanation:

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