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Question 14: NCERT Solutions for 12th Class Physics: Chapter 11-Dual Nature of Radiation and Matter
The wavelength of light from the spectral emission line of sodium is 589 nm. Find the kinetic energy at which
(a) an electron, and
(b) a neutron, would have the same de Broglie wavelength.
Solution:
(a) Kinetic energy required by electron to have de-Broglie wavelength of 589 nm
(b) Kinetic energy of neutron to have de- Broglie wavelength of 589 nm
Check the complete chapter with solutions.
NCERT Solutions for 12th Class Physics: Chapter 11-Dual Nature of Radiation and Matter