The de-Broglie wavelength of a neutron at 27oC is l. What will be its – McqOptions

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1.	The de-Broglie wavelength of a neutron at 27oC is l. What will be its wavelength at 927oC [DPMT 2002]
A.	l / 2
B.	l / 3
C.	l / 4
D.	l / 9
Answer» B. l / 3

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