An ideal carnot engine, whose efficiency is 40% receives heat at 500 K. If its efficiency is 50%, then the intake temperature for the same exhaust temperature is
(a) 600 K
(b) 700 K
(c) 800 K
(d) 900 K
An ideal carnot engine, whose efficiency is 40% receives heat at 500 K. If its efficiency is 50%, then the intake temperature for the same exhaust temperature is
(a) 600 K
(b) 700 K
(c) 800 K
(d) 900 K