Length of an iron rod at 27°C is 10 m (a = 11 x 10-6/°C). To decrease the length of the rod by 1.1 mm, temperature of the rod
should be decreased to
(A) 0°C
(B) 7°C
(C) 17°C
(D) 10°C
Answers
Answered by
0
Answer:
3 × 10 - 5 p e r 0 C . So, the given condition is the length of the steel rod should be always 5 cm more than that of the length of the coper rod. Then the change in the rods should be equal
Answered by
1
Answer:
Length of the iron rod should be decreased is 10°C
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