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JEE MAIN 2021
25-07-21 S2
Question
a heat engine has an efficiency of $\frac{1}{6}$. When the temperature ofsink is reduced by $62^{\circ} \mathrm{C}$ its efficiency get doubled. The temperature of the source is :
Select the correct option:
A
124ºC
B
37ºC
C
62ºC
D
99ºC
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Physics
Easy
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