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Standard XII

Physics

Validating the Bohr's Model

What will be ...

Question

What will be the number of photons emitted per second by a $10 w a t t$ sodium vapour lamp assuming that $90 %$ of the consumed energy is converted into light? Wavelength of sodium light is $590 n m; h = 6.63 \times 10^{- 34} J s$

0.267 \times 10^{18}

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0.267 \times 10^{19}

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0.267 \times 10^{20}

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0.267 \times 10^{17}

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Solution

The correct option is C $0.267 \times 10^{20}$

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Similar questions

Q. Calculate the number of photons emitted per second by a

10

watt sodium vapour lamp. Assume that

90

% of the consumed energy is converted into light. Wavelength of sodium light is

590 n m, h = 6.63 \times 10^{- 34} J s

Q. Calculate the number of photons emitted per second by a 10 W sodium vapour lamp. Assume that 50% of the consumed energy is converted into light. Wavelength of sodium light = 600 nm. Take

h = 6.6 \times 10^{- 34} J s a n d c = 3 \times 10^{8} m s^{- 1}

Calculate the number of photons emitted per second by a 10 W sodium vapour lamp. Assume that 60 $%$ of the consumed energy is converted into light. Wavelength of sodium light = 590 nm.

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h = 6.62 \times 10^{- 34} J s

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Q. Calculate the number of photons emitted per second by a

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sodium vapour lamp. Assume that

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of the consumed energy is converted into light. Wavelength of sodium light is

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What will be the number of photons emitted per second by a 10watt sodium vapour lamp assuming that 90% of the consumed energy is converted into light? Wavelength of sodium light is 590nm;h=6.63×10−34Js

The correct option is C 0.267×1020

What will be the number of photons emitted per second by a $10 w a t t$ sodium vapour lamp assuming that $90 %$ of the consumed energy is converted into light? Wavelength of sodium light is $590 n m; h = 6.63 \times 10^{- 34} J s$

The correct option is C $0.267 \times 10^{20}$