In the previous parts, you saw that there is not equality between the de broglie wavelength of an electron in the hydrogen atom and the circumference of its orbit. however, there does exist a definite relationship. what is the relationship between the circumference of the orbit of the n th energy level cn and the de broglie wavelength λn? express your answer in terms of n and λn.

If the heat engine is a perfect carnot cycle engine, thenefficiency = (t2-t1)/t2   where t1=temperature of cold reservoir ( ° k) = 135            t2=temperature of hot reservoir ( ° k)   = 325thereforeefficiency = (t2-t1)/t2 = (325-135)/325 = 0.5846 = 58%  note: this is the theoretical maximum efficiency of a perfect heat engine.   real-life engines do not achieve this value.