Science, asked by arjunnani, 1 year ago

answer question 37, 38, 39

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Answered by HarshaVadapalli
0

37 1st objects in mirror are closer than they appear so convex mirror use in vehicles

Answered by upmaroy
2
the power of lens is defined as the reciprocal of it's focal length in meters or D=1/f

S.I unit is diopter.

and power of convex lens is positive as a convex lens has a positive focal length.
38:- what is the solar cell panel. ans -it is a junction diode which converts solar energy into electricity and uses- advantage of solar cell paulution free ,long lasting, menternece free.

arjunnani: 38 answer
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