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.