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0 votes
1.3k views
in Physics by (2.8k points)
Q. Two rods of same length and material transfer a given amount of heat in 12 s, when they are joined end-end. But when they're joined lenghtwise, then they will transfer same heat in same conditions in:

A) 24s

B) 3s

C) 48s

D) 1.5s

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2 Answers

0 votes
by (130k points)
edited by

Correct answer is (C) 3s

by (2.8k points)
How does the answer come as 48s and not 3s?
by (130k points)
yes it will be 3. I have updated the answer
+2 votes
by (63.2k points)

Correct Answer will be (b) 3s

See answer here

http://www.sarthaks.com/4289/length-material-transfer-amount-heat-when-joined-when-joined-length-wise-they-take-much-time

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