CUET · PHYSICS · PYQ PAPER 2025
Match List-I with List-II:
| List-I (Physical quantity) | List-II (Formula) |
| (A) Width of a central maximum | (I) 2\(\lambda\)/a |
| (B) Fringe width | (II) a\(^2\)/\(\lambda\) |
| (C) Fresnel's distance | (III) 2D\(\lambda\)/a |
| (D) Angular speed of central maximum | (IV) D\(\lambda\)/d |
Choose the correct answer from the options given below:
- A (A)-(III), (B)-(IV), (C)-(II), (D)-(I)
- B (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
- C (A)-(II), (B)-(I), (C)-(IV), (D)-(III)
- D (A)-(IV), (B)-(III), (C)-(I), (D)-(II)
Answer & Solution
Correct Answer
(A) (A)-(III), (B)-(IV), (C)-(II), (D)-(I)
Step-by-step Solution
Detailed explanation
(A) Width of a central maximum \(\rightarrow\) (III) \(2D\lambda/a\) (B) Fringe width \(\rightarrow\) (IV) \(D\lambda/d\) (C) Fresnel's distance \(\rightarrow\) (II) \(a^2/\lambda\) (D) Angular width of central maximum \(\rightarrow\) (I) \(2\lambda/a\)
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