A light wave has a frequency of
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What is the wavelength of the light wave?
(Assume the speed of light to be
)
What is the wavelength of the light wave?
(Assume the speed of light to be
2 answers:
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Answer:
Part a)
P = 13.93 kW
Part b)
R = 8357.6 Cents
Explanation:
Part A)
heat required to melt the aluminium is given by
here we have
Since this is the amount of aluminium per hour
so power required to melt is given by
Since the efficiency is 85% so actual power required will be
Part B)
Total energy consumed by the furnace for 30 hours
now the total cost of energy consumption is given as