If wavelengths of maximum intensity of radiations emitted by the sun and the moon are 0-5 - 10-6 mand 10-4 mrespectively- the ratio of their temperatures is

The correct option is D 200 λ _m T=constant ⇒T_1/T_2=λ_2/λ_1⇒10^ 4/0.5×10^ 5=200 ...

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Standard XII

Chemistry

Planck's Quantum Hypothesis

If wavelength...

Question

If wavelengths of maximum intensity of radiations emitted by the sun and the moon are $0.5 \times 10^{- 6} m a n d 10^{- 4}$ mrespectively, the ratio of their temperatures is

1/100

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1/200

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100

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200

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Solution

The correct option is D
200

$λ_{m} T = c o n s t a n t \Rightarrow \frac{T_{1}}{T_{2}} = \frac{λ_{2}}{λ_{1}} \Rightarrow \frac{10^{- 4}}{0.5 \times 10^{- 5}} = 200$

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If wavelengths of maximum intensity of radiations emitted by the sun and the moon are 0.5×10−6mand 10−4 mrespectively, the ratio of their temperatures is

The correct option is D 200 λmT=constant⇒T1T2=λ2λ1⇒10−40.5×10−5=200

If wavelengths of maximum intensity of radiations emitted by the sun and the moon are $0.5 \times 10^{- 6} m a n d 10^{- 4}$ mrespectively, the ratio of their temperatures is

The correct option is D
200

$λ_{m} T = c o n s t a n t \Rightarrow \frac{T_{1}}{T_{2}} = \frac{λ_{2}}{λ_{1}} \Rightarrow \frac{10^{- 4}}{0.5 \times 10^{- 5}} = 200$