What is the energy of photon whose wavelength is 6840 Å ?
The energy flux of sunlight reaching the surface of the earth is 1.388×10^3 Wm^−2. How many photons (nearly) per square metre are incident on the earth per second ? Assume that the photons in the sunlight have an average wavelength of 550 nm.
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Nov
The energy flux of sunlight reaching the surface of the earth is 1.388×10^3 Wm^−2. How many photons (nearly) per square metre are incident on the earth per second ? Assume that the photons in the sunlight have an average wavelength of 550 nm. What is the energy of photon whose wavelength is 6840 Å ? [...]
The maximum velocities of the photo- electrons ejected are v and 2v for the incident light of wavelength 400 nm and 250 nm on a metal surface respectively. The work function of the metal in terms of Planck’s constant h and velocity of light c is
28
Nov
The maximum velocities of the photo- electrons ejected are v and 2v for the incident light of wavelength 400 nm and 250 nm on a metal surface respectively. The work function of the metal in terms of Planck’s constant h and velocity of light c is What is the energy of photon whose wavelength is [...]
Assertion : The kinetic energy of the emitted photo-electrons changes only with a change in the frequency of the incident radiations. Reason : The kinetic energy of photoelectrons emitted by a photo-sensitive surface depends upon the intensity of the incident radiation.
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Nov
Assertion : The kinetic energy of the emitted photo-electrons changes only with a change in the frequency of the incident radiations. Reason : The kinetic energy of photoelectrons emitted by a photo-sensitive surface depends upon the intensity of the incident radiation. What is the energy of photon whose wavelength is 6840 Å ? November 28, [...]
What is the energy of photon whose wavelength is 6840 Å ?
28
Nov
What is the energy of photon whose wavelength is 6840 Å ? What is the energy of photon whose wavelength is 6840 Å ? November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 29 - Dual Nature of Matter and Radiation , Physics ,