Question

A persons eye is a height of 1.5 m . He stands in front of a 0.3m long plane mirror which is 0.8m above the ground. The length of the image he sees of himself is

Answer 1

Hey dear,

◆ Answer -
Image size = 0.6 m = 60 cm

◆ Explaination-
# Given-
Height of man = 1.5 m
Length of mirror = 0.3 m
Base of mirror = 0.8 m high

# Solution-
[Refer to the attached image for ray diagram]

Here, eyes of man makes different angles with top and bottom edge of mirror.

Hence, image will be twice the height of mirror irerespective of other measurememts.

Thus, length of image will be 2 × 0.3 = 0.6 m.

Therefore, the man see 60 cm of himself in mirror.

Hope it helps you...

Answer 2

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