Physics, asked by 5SoS, 1 year ago

what type of image is formed on a cinema screen ??

A comcave mirror is part of sphere of radius 40cm .What is the focal length of the mirror.


chandan43: real image

Answers

Answered by vicky122
2
Real image is formed on a cinema screen.
concave mirror = r/2 =40/2
= 20. cm
focal length is 20 cm.
Answered by Sneha3123
8
In a cinema screen a real image is formed.

if the radius of a concave mirror = 40cm
it's focal lenght = radious/2

= 40/2

=20cm



HOPE THIS HELPS
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