AP EAMCET Engineering 2016 Code C Paper

Section: Physics

Question : 114 of 160

Marks: +1, -0

A student holds a tuning fork oscillating at 170Hz. He walks towards a wall at a constant speed of 2ms−1 The beat frequency observed by the student between the tuning fork and its echo is (Velocity of sound =342ms−1)

2.5Hz
3Hz
1Hz
2Hz

Validate

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