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JEE Main 2026 Physics question

PhysicsWavesJEE Main 2026

Two tuning forks A and B are sounded together giving rise to 8 beats in 2 s. When fork A is loaded with wax, the beat frequency is reduced to 4 beats in 2 s. If the original frequency of tuning fork B is 380 Hz, then the original frequency of tuning fork A is Hz.

Answer: 384

Solution

(beats per sec), giving or Hz. Since

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Question ID VK-001638