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A 100 watt bulb emits monochromatic ligh...

A 100 watt bulb emits monochromatic light of wavelength 400 nm. Calculate the number of photons emitted per second by the bulb.

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The correct Answer is:
`2.012 xx 10^(20) s^(-1)`
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CBSE COMPLEMENTARY MATERIAL-STRUCTURE OF ATOM-2-MARK QUESTIONS
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  7. What is the wave number of an electron with shortest wavelength radi...

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  8. Write short note on : Continuous and discontinuous spectrum.

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  9. Write short note on : Absorbtion and emission spectrum.

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  10. Calculate the mass of a photon with wavelength 3.6Å.

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  11. Calculate the mass of the photon with wavelength of 5 pm.

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  12. On the basis of uncertainty principle show that an electron cannot exi...

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  13. The effect of uncertainty principle is significant only for motion of ...

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  14. What is the difference between the terms orbit and orbital?

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  15. Show that the circumference of the Bohr orbit for the hydrogen atom is...

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  16. Comment on “Bohr’s model is against the Heisenberg uncertainty princip...

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  18. Draw shape of d(x^(2)-y^(2)) orbital.

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  20. Designate each subshell with n = 4.

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