A Guitar String of Length 105 Cm Is in Resonance

question 7

Multiple Choice

A guitar string of length 105 cm is in resonance with a tuning fork of frequency f.Using the fret board the length of the string is shortened by 1.5 cm while keeping the tension in the string constant.Now a beat frequency of 10 Hz is heard between the string and the tuning fork.What is the frequency of the tuning fork?

• A)230 Hz
• B)1380 Hz
• C)345 Hz
• D)690 Hz
• E)none of the above

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Definitions:

Blood

A vital fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.

Polyunsaturated

Referring to a type of fat found in fats and oils containing more than one double bond in their fatty acid chains, beneficial for heart health.

Double Covalent Bonds

Chemical bonds where two pairs of electrons are shared between atoms, resulting in a stronger and more stable bond than a single covalent bond.

Carbohydrates

Organic compounds consisting of carbon, hydrogen, and oxygen, typically found in sugars, starches, and cellulose, serving as a major energy source in the diet of animals.