Match List I with List II Liast I List II A. Planck's constant (h) I, [] B. Stopping potential () II. [] C. Work function () III. [] D. Momentum (p) IV. [] Choose the correct answer from the options given below: [2023]

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Q.
Match List I with List II

List I List II

A. Planck's constant (h) I, [ $M^{1} L^{2} T^{- 2}$ ]

B. Stopping potential ( $V_{S}$ ) II. [ $M^{1} L^{1} T^{- 1}$ ]

C. Work function ( $ϕ$ ) III. [ $M^{1} L^{2} T^{- 1}$ ]

D. Momentum (p) IV. [ $M^{1} L^{2} T^{- 3} A^{- 1}$ ]

Choose the correct answer from the options given below: [2023]

1 A – III, B – IV, C – II, D – I

2 A – III, B – IV, C – I, D – II

3 A – I, B – III, C – IV, D – I

4 A – III, B – I, C – II, D – IV

Ans.
(2)

(A) Planck's constant

hv = E

$h = \frac{E}{v} = \frac{M^{1} L^{2} T^{- 2}}{T^{- 2}} = M^{1} L^{2} T^{- 1}$

(B) E = qv

$V = \frac{E}{q} = \frac{M^{1} L^{2} T^{- 2}}{A^{1} T^{1}} = M^{1} L^{2} T^{- 3} A^{- 1}$

(C) $ϕ$ (work function) = energy = $M^{1} L^{2} T^{- 2}$

(D) Momentum (p) = F.t = $M^{1} L^{1} T^{- 2} T^{1} = M^{1} L^{1} T^{- 1}$

Solution

1 A – III, B – IV, C – II, D – I

2 A – III, B – IV, C – I, D – II

3 A – I, B – III, C – IV, D – I

4 A – III, B – I, C – II, D – IV

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	List I		List II
A.	Planck's constant (h)	I,	[ $M^{1} L^{2} T^{- 2}$ ]
B.	Stopping potential ( $V_{S}$ )	II.	[ $M^{1} L^{1} T^{- 1}$ ]
C.	Work function ( $ϕ$ )	III.	[ $M^{1} L^{2} T^{- 1}$ ]
D.	Momentum (p)	IV.	[ $M^{1} L^{2} T^{- 3} A^{- 1}$ ]

Solution

Q. Match List I with List II List I List II A. Planck's constant (h) I, [M1L2T–2] B. Stopping potential (VS) II. [M1L1T–1] C. Work function (ϕ) III. [M1L2T–1] D. Momentum (p) IV. [M1L2T–3A–1] Choose the correct answer from the options given below: [2023]

1 A – III, B – IV, C – II, D – I

2 A – III, B – IV, C – I, D – II

3 A – I, B – III, C – IV, D – I

4 A – III, B – I, C – II, D – IV

Ans. (2) (A) Planck's constant hv = E h=Ev=M1L2T–2T–2=M1L2T–1 (B) E = qv V=Eq=M1L2T–2A1T1=M1L2T–3A–1 (C) ϕ (work function) = energy = M1L2T–2 (D) Momentum (p) = F.t = M1L1T–2T1=M1L1T–1

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