Question

please solve the above question​

Answer 1

Answer:

option (a) is correct

hope it helps have a gud day mate

Answer 2

Answer:

(d)

Explanation:

lambda = h/mv

distance travelled in 1 second

we know,

D= SxT

where lambda is distance given in question

lambda = v x 1sec

lambda = V

put this equation

lambda = h/mv

lambda = h/mx lambda

lambda square = h/m

then ,

lambda = whole root h/m

option (d) is right answer

I hope its helps you