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GIVEN: 1/f= 1/v + 1/u ;find v,if u=3f and f=10. ANSWER- 15
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Given: `(1/f) =(1/v+1/u)`
f=10 then u=3f=3*10=30
Now, plugging in the values of f and u in the above relation:
` rArr 1/v=1/10-1/30`
Therefore, the value of v is 15.
Posted by llltkl on July 18, 2013 at 4:45 PM (Answer #1)
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