`C_(60)` emerging from a source at a speed (v) has a de Broglie wavelength of 11.0 Å. The value of v (in m `s^(–1)`) is closest to [Planck’s cons
`C_(60)` emerging from a source at a speed (v) has a de Broglie wavelength of 11.0 Å. The value of v (in m `s^(–1)`) is closest to [Planck’s constant `h= 6.626xx10^(–34)` J s]
A. `0.5`
B. `2.5`
C. `5.0`
D. 30
4 views
1 Answers
Correct Answer - A
`lamda=(h)/(mv)rArrv=(h)/(m.lamda)=(6.62xx10^(-34))/(720xx10^(-3)xx11xx10^(-10))`
4 views
Answered