answer question 37, 38, 39
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37 1st objects in mirror are closer than they appear so convex mirror use in vehicles
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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.
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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