NEET 2017 Physics question

Physics Dual Nature of Matter and Radiation NEET 2017

The de-Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature (Kelvin) and mass , is

(1)
(2)Correct
(3)
(4)

Answer: (2)

Solution

de-Broglie wavelength . A neutron in thermal equilibrium at temperature has average kinetic energy $KE =

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Question ID VK-092020