Answers

2014-12-27T12:48:27+05:30
NONE OF THESE AS BY SOLVING IT WE GET ANSWER AS O.5D

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The Brainliest Answer!
2014-12-27T12:48:39+05:30


Correct option is (D) None of these

P=(u2/u1 - 1) (1/R1 - 1/R2)

-5= (1.5/1 - 1) ( 1/R1-1/R2)

-5/0.5 = 1/R1 - 1/R2

or 1/R1 - 1/R2 = -10

Taking P=(1.5/1.6 - 1) (-10)

= (-0.1) (-10)/1.6

=5/8 D

2 5 2