Home Maths JEE Main Full Syllabus Mock Test 75 Question New Syllabus. TEST 15 PCM PHYSICS SINGLE CORRECT MCQ Both the strings,…
Maths JEE Main Full Syllabus Mock Test 75 Question New Syllabus. TEST 15 PCM Single Correct MCQ
Published on: August 13, 2026

PHYSICS

SINGLE CORRECT MCQ

Both the strings, shown in figure, are made of same material and have same cross-section. The pulleys are light. The wave speed of a transverse wave in the string AB is and in CD it is . Then is (Assume that tension doesn't vary due to masses of the strings and system is in equilibrium) (Assume system in equilibrium)

A
1
B
2
C
D

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The correct answer is:
D

PHYSICS

SINGLE CORRECT MCQ

The tension in the string over pulleys is the same in each part say . Thus the tension in the string .

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