wavelength of ___________ reason 0.4 Mm to 0.7 Mm
Answers
Answered by
0
Answer:
In emission of electron, Potential Energy
eV=
λ
hc
−W
0
When light of wavelength λ=0.6mmand stopping potential 0.5V
0.5e=
6×10
−7
hc
−W
0
...... (1)
When light of wavelength λ=0.4mmand stopping potential 1.5V
1.5e=
4×10
−7
hc
−W
0
...... (2)
subtract equation (1) from (2) e=
10
−7
hc
[
4
1
−
6
1
]
⇒
e
h
=
3×10
8
12×10
−7
=4×10
−15
Vs
−1
Answered by
0
Answer:
400 to 700 milli meters
Explanation:
may it help you
please make me brainlist answer
Similar questions