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BYJU.compose PMT 2007 MAINS PHYSICS 1.(a) How many photons of wavelength 439 nm should strike on a perfectly reflecting surface in 1 seconds that it may exert a force of 10 N? (b) Can water be boiled
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To fill out how many photons, follow these steps:
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Determine the wavelength or energy of the photons.
03
Calculate the total energy of the photons using the formula E = hf, where E is the energy, h is the Planck constant, and f is the frequency of the photons.
04
Convert the energy to the number of photons using the equation N = E / E_photon, where N is the number of photons and E_photon is the energy of a single photon.
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Round the number of photons to the desired precision or significant figures.
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Write down the final number of photons.

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Scientists, researchers, and students studying quantum mechanics or photonics.
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Anyone interested in understanding the behavior and properties of light at the quantum level.
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A photon is a quantum of electromagnetic radiation.
Scientists, researchers, and professionals in the field of physics may need to file information about photons in their research or reports.
One can fill out information about photons by detailing their properties such as wavelength, frequency, and energy.
The purpose of reporting information about photons is to understand and analyze the behavior and interactions of light and other forms of electromagnetic radiation.
Information such as the number of photons, their wavelengths, energy levels, and any interactions with matter must be reported.
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