A heat engine can be 100% efficient if its sink is at :

0 K

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

273 K

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0^{o} C

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0^{o} F

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $0 K$
Efficiency of heat engine $= \frac{T_{s o u r c e} - T_{s i n k}}{T_{s o u r c e}}$ ( All temperatures in kelvin )
Hence , efficiency is $100 %$ if $T_{s i n k} = 0 K$

Suggest Corrections

Similar questions

100 %

100 %

0^{o} C

- 39^{o} C

50 %

17^{o} C

50 %

627^{\circ} C

27^{\circ} C

Join BYJU'S Learning Program