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Dual Nature of Radiation and Matter

Easy Questions

Modern Physics

Dual Nature of Radiation and Matter
Atoms
Nuclei
Semiconductor Electronics : Materials, Devices and Simple Circuits
  1. The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
    1. 30.8
      		Å
      √ T
    2. 3.08
      		Å
      √ T
    3. 0.308
      		Å
      √ T
    4. 0.0308
      		Å
      √ T
Correct Option: A

From formula

λ =
h
√2mKT

=
6.63 × 10-34
m
√2 × 1.67 × 10-27 × 1.38 × 10-23 T

[By placing value of h,  m and k)
=
30.8
Å
√T


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