Melde's Experiment: To Study the Formation of Standing Waves and Frequency Analysis from a Vibrating String

By Dr. Sushil Kumar

Melde's experiment used for creating the standing waves on a vibrating string in the Physics Experimental Labs.

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The experiment shows how resonance occurs in a mechanical system and how it can be used to determine the frequency of a vibrating object.

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The setup involves a string that is clamped at both ends and connected to a mechanical oscillator that drives the string at a fixed frequency.

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By Increasing the mass on pan or adjusting the oscillator frequency one can easily obtain the natural frequency of the string.

Hence, the amplitude of the vibration increases suddenly that is the result of resonance phenomenon.

Melde's experiment helps to demonstrate of complex wave phenomena, e.g., standing waves, nodes-antinodes, acoustics resonance, Wave interference, harmonic motion, wave patterns, etc. that is used in physics education to teach concepts of physics.

Spotlight

1Q. What do you mean by progressive waves or standing waves?

ANS: A wave that travels through a medium, carrying energy from one place to another Example:ocean waves, sound waves, and electromagnetic waves

2Q. Are longitudinal and Transverse waves are progressive waves?

ANS: Yes, both longitudinal and transverse waves can be considered as types of progressive waves.

3Q. What is the Alternating Current Frequency in India?

ANS: The frequency of the alternating current (AC) in India is 50 Hertz (Hz).

4Q. What is the Alternating Current Frequency in India?

ANS: The frequency of the alternating current (AC) in India is 50 Hertz (Hz).

5Q. Does stationary wave and standing wave concepts are the same?

The term "standing wave" is more commonly used in fields, acoustics and optics, while "stationary wave" in physics and electrical engineering. However, both terms refer to the same phenomenon, properties and behavior

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