HEat conDuctiOn

JEE Mains 2015 Questions › General Physics questions › HEat conDuctiOn

IN A POLAR REGION TEMP. OF ATMOSPHERE HAS FALLEN BELOW 0Â°C AND IT HAS BECOME -TÂ°C THEN WHICH OF THESE IS/R CORRECT?
a>RATIO OF TIME TAKEN IN FORMATION OF ICE ON FREE SURFACE OF THICKNESS FIRST 1 M AND SECOND 1M IS 1:4
B>RATIO OF TIME TAKEN IN FORMATION OF ICE ON FREE SURFACE OF THICKNESS FIRST 1 M AND SECOND 1M IS 1:3
C>RATIO OF TIME TAKEN IN FORMATION OF ICE ON FREE SURFACE OF THICKNESS FIRST 1 M AND SECOND 1M IS 1:2
D>RATIO OF TIME TAKEN IN FORMATION OF ICE ON FREE SURFACE OF THICKNESS FIRST 1 M AND SECOND 1M IS 1:6

#Physics #General Physics

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4 Answers

11

swaraj jena ·2010-02-22 07:50:50

ans is given 1:3 but i m geting 1:4

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11

swaraj jena ·2010-03-07 03:50:34

are bhai koi to karo

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1

Tapas Gandhi ·2010-03-07 09:17:24

B)

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11

swaraj jena ·2010-03-11 22:08:24

how??????

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