A laser with power output of 2.0 mW at a wavelength of 400 nm is projected onto a Calcium metal. The binding energy is 2.31 eV. i. How many electrons per second are ejected? ii. What power is carried away by the electrons?

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Q: A laser with power output of 2.0 mW at a wavelength of 400 nm is projected onto a Calcium metal. The…

A: It is given that,

Q: A laser with power output of 2.0mW at a wavelength of 400nm is projected onto a calcium metal. The…

A: The number of electrons ejected per second can be obtained as

Q: A laser with power output 2.0mW at a wavelength 400nm is projected onto a calcium metal. The binding…

A: Given information: Here, P is the power output of the laser, λ is the light’s wavelength and ϕ is…

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Q: A laser with a power output of 2.00 mW at a wavelength of 400 nm is projected onto calcium metal.…

A: (a) E=hcλ  =6.626×10-34×3×108 ms400×10-9 m  =4.962×10-9No. of electrons ejected;=2×103J/s4.962×10-9…

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Q: A laser with a power output of 2.00 mW at a wavelength of 400 nm is projected onto calcium metal.…

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The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: