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  4. Two stars radiate maximum energy at wavelengths 3.6× 10- 5cm and 4.8× 10- 5cm respectively. The ratio of their temperatures is

Q. Two stars radiate maximum energy at wavelengths and respectively. The ratio of their temperatures is

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Solution:

Let T and T' be the temperatures of the two stars and λmax and λmax' be their respective wavelengths of maximum emission.
Here, λmax = 3.6 × 10-5 cm and λmax' = 4.8 × 10-5 cm

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