Home
Class 12
CHEMISTRY
A sodium street light gives off yellow l...

A sodium street light gives off yellow light that has a wavelength of `600 n m.` Then .

A

frequency of this light is `7xx10^(14)s^(-1)`

B

frequency of this light is `5xx10^(14)s^(-1)`

C

wavenumber of the light is `3xx10^(8)m^(-1)`

D

energy of the photon is approximately `4.14 eV`

Text Solution

Verified by Experts

The correct Answer is:
2
`V=(C)/(lambda)=(3xx10^(8))/(6000xx10^(-10))=5xx10^(14)S^(-1)`. Energy of photon `=(12400)/(6000)=2.07eV`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • TEST PAPERS

    RESONANCE ENGLISH|Exercise FST test -2|30 Videos

  • TEST PAPERS

    RESONANCE ENGLISH|Exercise FST-3|30 Videos

  • TEST PAPERS

    RESONANCE ENGLISH|Exercise PT-06|30 Videos

  • SURFACE CHEMISTRY

    RESONANCE ENGLISH|Exercise Section - 5|1 Videos

  • TEST SERIES

    RESONANCE ENGLISH|Exercise CHEMISTRY|50 Videos

Similar Questions

Explore conceptually related problems

A sodium street light gives off yellow light that has a wavelength of 589nm . What is the frequency of this light?

A 200 W sodium street lamp emits yellow light of wavelength 0.6 μm. Assuming it to be 25% efficient in converting electrical energy to light, the number of photons of yellow light it emits per second is

A modern 200 W sodium street lamp emits yellow light of wavelength 0.6 mum . Assuming it to be 25% efficient in converting electrical energy to light, the number of photons of yellow light it emits per second is

A modern 200 W sodium street lamp emits yellow light of wavelength 0.6 mum . Assuming it to be 25% efficient in converting electrical energy to light, the number of photons of yellow light it emits per second is

Which colour of the light has the longest wavelength?

Calculate the frequency (v) and wave number (bar(v)) of the yellow light with a wavelength of 580 nm emitted from sodium lamp.

A : Diffraction is common is sound but not common in light waves R : Wavelengths of light is more than the wavelength of sound.

Red light of wavelength 6400 Å in air has a wavelength of 4000 Å in glass. If the wavelength of violet light in air is 4400 Å, then the wavelength in glass is

A 25 watt bulb emits monochromatic yellow light of wavelength of 0. 57 mu m. Calculate the rate of emission of quanta per second .

Phycobilins absorb light of wavelength

Home
Profile