CUET · PHYSICS · PYQ PAPER 2025

Match List-I with List-II
List-I (Motion of a charge particle) List-II (Path)
(A) Initial velocity of charge particle parallel to B (I) Circular Path
(B) Initial velocity of charge particle perpendicular to B (II) Helical Path
(C) Initial velocity of charge particle inclined to B (III) Straight Path
(D) Initial velocity of charge particle perpendicular to E (IV) Parabolic Path

Choose the correct answer from the options given below :

A (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
B (A) - (IV), (B) - (III), (C) - (II), (D) - (I)
C (A) - (III), (B) - (I), (C) - (II), (D) - (IV)
D (A) - (III), (B) - (I), (C) - (IV), (D) - (II)

Verified Solution

Answer & Solution

Correct Answer

(C) (A) - (III), (B) - (I), (C) - (II), (D) - (IV)

Step-by-step Solution

Detailed explanation

(A) Initial velocity of charge particle parallel to B \( \implies \vec{F} = q(\vec{v} \times \vec{B}) = 0 \). Path: (III) Straight Path. (B) Initial velocity of charge particle perpendicular to B \( \implies \vec{F} = qvB \). Path: (I) Circular Path. (C) Initial velocity of…

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

Same subject

Match List I with List II

LIST I (Devices)	LIST II (Working Priciple)
A. Transformer	I. Wheatstone Bridge
B. Meter Bridge	II. Electromagnetic Induction
C. Moving Coil Galvanometer	III. Mutual Induction
D. A.C Generator	IV. Torque on a current carrying coil

Choose the correct answer from the options given below:

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(A) Bt Cotton	(I) Functional ADA CDNA
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List - I	List - II
(A) \(\|x\|<\|y\|\)	(I) iff \(x^2>y^2\)
(B) \(\|x\|>\|y\|\)	(II) iff \(x^2 \leq y^2\)
(C) \(\|x\| \leq \|y\|\)	(III) iff \(x^2<y^2\)
(D) \(\|x\| \geq \|y\|\)	(IV) iff \(x^2 \geq y^2\)

List-I (Motion of a charge particle)	List-II (Path)
(A) Initial velocity of charge particle parallel to B	(I) Circular Path
(B) Initial velocity of charge particle perpendicular to B	(II) Helical Path
(C) Initial velocity of charge particle inclined to B	(III) Straight Path
(D) Initial velocity of charge particle perpendicular to E	(IV) Parabolic Path