converging lens is kept coaxially in contact with a diverging lens each of equal focal length what will be the focal length of combination
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U have asked the question of mirror but in the figure u have attached thr question of electricity
Gauravsardar1:
sorry it's send my mistake by me....
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The focal length of converging lens will be f and of diverging lens will be -f
Therefore equivalent focal length will be = 1/f-1/f
= 0
So, the focal length of combination will be infinity.
Hope this helps you...:)
Therefore equivalent focal length will be = 1/f-1/f
= 0
So, the focal length of combination will be infinity.
Hope this helps you...:)
thanx
wlc
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