CBSE BOARD X, asked by avghogale2003, 1 year ago

A student while performing an experiment to find the focal length of a concave mirror notes down the following observations : X=position of the mirror:40cm , Y=position of the screen: 30cm. What will be the focal length of the mirror and the related ray diagram?

Answers

Answered by arbaz777
1

12 cm?

Is it correct?

arbaz777: image distance is negative for concave lens
avghogale2003: Yes
arbaz777: for concave mirror it is positive
avghogale2003: See in ncert book
arbaz777: OK
arbaz777: if its negative no problem.. solve using the mirror formula
arbaz777: f = - 12/7 cm
avghogale2003: Yes thats correct
avghogale2003: Thanx
arbaz777: okkk
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