1
Question
An object is placed (1) asymmetrically (2) symmetrically, between two plane mirrors inclined at an angle of 50°. Find the number of images formed
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Solution
Asymmetrical When two plane mirrors are kept at an angle θ with each other, number of images that can be formed is given by,
n = (360/θ) – 1
When θ = 50o,
n = 360/50 – 1
=> n = 7.2 – 1 = 6.2
Thus, the number of image formed is 6.
symmetrical
N=360/50
=7.2
N=7
When two plane mirrors are kept at an angle θ with each other, number of images that can be formed is given by,
n = (360/θ) – 1
When θ = 50o,
n = 360/50 – 1
=> n = 7.2 – 1 = 6.2
Thus, the number of image formed is 6.
symmetrical
N=360/50
=7.2
N=7
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