If the distance of an object from a convex lens is equal to twice the focal length of the lens where is the image formed
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Answered by
10
image is formed at 2f becoz on solving......
as it is given u is 2 times the focal length
therefore, u=-2f & focal length=f
on using lens formula ,
1/v-1/u=1/f
on substituting value of u..
1/v-1/(-2f)=1/f
1/v =1/f-1/2f
1/v=1/2f
therefore, v=2f..
as it is given u is 2 times the focal length
therefore, u=-2f & focal length=f
on using lens formula ,
1/v-1/u=1/f
on substituting value of u..
1/v-1/(-2f)=1/f
1/v =1/f-1/2f
1/v=1/2f
therefore, v=2f..
Answered by
0
Answer:
at 2f
Explanation:
at 2f
hello at 2f
means centre of curvature
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