Physics, asked by pranitha67586, 1 year ago

How do you find focal point of a concave lens.....​

Answers

Answered by aayushi7564
2

Answer:

If you wish to find the focal point of a concave lens, you could take it outside on a clear day. Allow the sunlight to pass through the lens and observe the pattern formed on a screen that is parallel to the axis and located at the center of the lens

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Answered by Anonymous
0

Answer:

Focal length of concave mirror is always positive.

It will find by mirror formula

⏩1/f=1/v+1/u⏪

is the mirror equation, where f is focal length, u is the object distance measured from principal, and v is the image distance measured from principal. You have to use this equation with proper sign convention as stated in the question.

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