Dual Nature of Radiation and Matter - Result Question 10
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10. The de-Broglie wavelength of neutron in thermal equilibrium at temperature $T$ is[NEET Kar. 2013]
======= ####10. The de-Broglie wavelength of neutron in thermal equilibrium at temperature $T$ is[NEET Kar. 2013]
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed:content/english/neet-pyq-chapterwise/physics/dual-nature-of-radiation-and-matter/dual-nature-of-radiation-and-matter—result-question-10.md (a) $\frac{30.8}{\sqrt{T}} \AA$
(b) $\frac{3.08}{\sqrt{T}} \AA$
(c) $\frac{0.308}{\sqrt{T}} \AA$
(d) $\frac{0.0308}{\sqrt{T}} \AA$
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Answer:
Correct Answer: 10. (a)
Solution:
- (a) From formula $\lambda=\frac{h}{\sqrt{2 m K T}}$
$=\frac{6.63 \times 10^{-34}}{\sqrt{2 \times 1.67 \times 10^{-27} \times 1.38 \times 10^{-23} T}} m$
[By placing value of $h, m$ and $k$ ]
$=\frac{30.8}{\sqrt{T}} \AA$
