Questions
In Young double slit experiment, an electron beam is used to obtain interference pattern. The slit width is d. if the speed of electron is increased, then
a
no interference pattern is observed
b
fringe width increases
c
fringe width decreases
d
fringe width remains same
detailed solution
Correct option is C
we know that λ=hmvwhen v is increased, then λ is decreased further, β=λDdAs λ is decreased ,the fringe width is also decreased'Talk to our academic expert!
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