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tankabanditka [31]
3 years ago
13

If the overall magnification of a series of two lenses is 30x, and one lens magnifies 5x, what is the magnification of the other

lens? Calculate the total magnification if the 5x lens is replaced by a 7x lens
Physics
1 answer:
dimulka [17.4K]3 years ago
4 0

Answer:

Explanation:

Given

Overall magnification M=30 x

One lens magnification is 5 x

suppose the magnification of other lens is y

A compound lens is made up of series of lenses either  of same or of different magnification so

y is given by

y=\frac{30 x}{5 x}=6 x

If 5 x lens is replaced by 7 x lens then total magnification is

7 x\times 6 x=42 x

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