Question

38.
39.
nass
g and velocity 100 m/s is
1) Zero
ULJI 10-16 g. cm.s-1
2) 6.625 x 10-19 g. cm.si
The de Broglie wavelength
4) 6.625 x 10-23 g. cm.!
1) 6.63 x 10-33 m
2) 6.63 x 10-34 m
2) 6.63 x 10-34
m
If uncertainity in position is zero, the uncertainity in momentum
3
3) 6.63 x 10-35 m
) 6.63 x 10
4) 6.63 x 100 m
2) Infinity
Uncertainty in position of a minute particle of mass 25g in space is
3) Unity
in its velocity (in ms-') ? (h = 6.6 x 10-34 Js)
1) 2.1 x 10-34
2) 0.5 x 19-34
I 2
18 treshold wavelength for photo electronic emission
is threshold wavele
is the wavelength of light
on the surface of metal. If 'm' is the mass of electron. then the debrogres
40
in momentum of an electron will be
4) Zero or infinity
of mass 25g in space is 10-5 m. What is the uncertainty
(AIEEE
3) 2.1 x 10-28
4) 0.5 x 10-23
1/2
electron is
on, then the debroglie's wavelength of emitted
I hang 7112 Th2,-2)742
h(-2)
L2mc(o -)] L2mccaro)
2mco)
|| 2mca - do)
The debroglie wavelength (@) of electron is related to its accelerating potential ) by the equation
1)
42.
02-123792) =1270m
34-404
425​

Answer 1

Answer:

Sorry boss i dont know the answer if u have any other question u can answer