A String with a Fixed Frequency Vibrator at One End

question 21

Multiple Choice

A string with a fixed frequency vibrator at one end is subjected to varying tensions. When the tension is 20 N, a resonance with 3 antinodes results. What tension would cause a resonance with 2 antinodes in this string?

• A) 30 N
• B) 45 N
• C) 80 N
• D) 8.9 N
• E) 13 N

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Definitions:

Artificial Insemination

A means of conception in which sperm are injected into the vagina by a means other than sexual intercourse.

Ovulation

The phase in a female's menstrual cycle when a mature egg is released from the ovary into the fallopian tube for potential fertilization.

Genetic Material

The molecules (DNA or RNA) that store and transmit hereditary information from one generation to the next in all living organisms.

Chromosomes

Threadlike structures in the nucleus of cells made of DNA and protein that carry genetic information in the form of genes.