Question
Physics Question on Units and measurement
| Choose the correct answer from the options given below:LIST I | LIST II |
|---|---|
| A | Planck's constant (h) |
| B | Stopping potential (Vs) |
| C | Work function (ø) |
| D | Momentum (p) |
A
A-II, B-IV, C-III, D-I
B
A-III, B-IV, C-I, D-II
C
A-I, B-III, C-IV, D-II
D
A-III, B-I, C-II, D-IV
Answer
A-III, B-IV, C-I, D-II
Explanation
Solution
(A) Planck's constant
hv=E
h=vE=T−1M1L2T−2=M1L2T−1
(B) E=qV
V=qE=A1T1M1L2T−2=M1L2T−3A−1 (IV)
(C) ϕ (work function )= energy
=M1L2T−2...(I)
(D) Momentum (p) = F.t
=M1L1T−2T1...(II)
=M1L1T−1