30. An ideal refrigerator has a freezer at a temperature of
-130c . The coefficient of performance of the engine is 5. The temperature of the air (to which heat is rejected) will be
(a) 325°C (b) 325K
(c) 39°C (d) 320°C
Ans. c
(16)
You May Also Like
-
Feb 10, 2025
Click Here for Hindi medium NEET Course (239)
-
Feb 4, 2025
Best Career Counsellors in Chandigarh – Transform Your Future with Flame Institute In today’s competitive world, choosing the right career...
-
Sep 17, 2024
Best Physics coaching Teacher in Chandigarh Mohali At Flame Institute, our physics teacher is highly experienced, specializing in preparing students...
-
Sep 5, 2022
(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)