NCERT Class XI Chemistry Structure of Atom Solutions

Question : 58

Total: 67

Similar to electron diffraction, neutron diffraction microscope is also used for the determination of the structure of molecules. If the wavelength used here is 800 pm, calculate the characteristic velocity associated with neutron.

Solution:

v =

[Since λ =

]
=

6.626×10−34

1.675×10−27×800×10−12

[Since m = mass of neutron = 1.675 × 10−27kg , λ = 800 ppm = 800 × 10−12m]
= 4.94 × 102ms–1

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