Transmission Of Heat Question 331
Question: Direction: In the following questions, more than one of one answers given are correct. Select the correct answers and mark it according to the following codes:
A cane is taken out from a refrigerator at $ 0{}^\circ C $ . The atmospheric temperature is $ 25{}^\circ C $ . If $ t _{1} $ is the time taken to heat from $ 0{}^\circ C $ to $ 5{}^\circ C $ and $ t _{2} $ is the time taken from $ 10{}^\circ C $ to $ 15{}^\circ C, $ then the wrong statements are to $ 15^{o}C,~ $ then the wrong statements are
(1) $ t _{1}>t _{2} $
(2) $ t _{1}=t _{2} $
(3) There is no relation
(4) $ t _{1}<t _{2} $
Codes:
Options:
A) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Show Answer
Answer:
Correct Answer: A
Solution:
[a] According to Newton’s law of cooling.