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Science CBSE Homework Assignments
Class 10
Light reflection and refraction
Image formation by spherical mirrors
1.
Image formation
Question:
3
m.
A concave mirror produces three times magnified (enlarged) real image of an object placed at \(10\ cm\) in front of it. Where is the image located?
Magnification
is,
\(M\ =\ \frac{h_o}{h_i}\ =\ \frac{v}{u}\)
\(M\ =\ \frac{h_i}{h_o}\ =\ \frac{-u}{v}\)
\(M\ =\ \frac{h_i}{h_o}\ =\ \frac{-v}{u}\)
\(M\ =\ \frac{h_o}{h_i}\ =\ \frac{u}{v}\)
Image distance
(\(v\)) \(=\)
\(cm\)
Important!
Note: Enter your answers with no decimal digits.
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