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Physics Past Questions and Answers

Topic: Waves from stretched strings

Jamb Physics Questions - Waves from stretched strings

Question 11:
The lowest note emitted by a stretched string has a frequency of 40Hz. How many overtones are there between 40hz and 180Hz?
  • A 4
  • B 3
  • C 2
  • D 1
View Answer & Explanation
Question 12:
A wave that travels through stretched strings is known as
  • A Electromagnetic wave
  • B Micro wave
  • C Mechanical wave
  • D Seismic wave
View Answer & Explanation
Question 13:
The lowest note emitted by a stretched string has a frequency of 40Hz. How many overtones are there between 40Hz and 180Hz?
  • A 4
  • B 3
  • C 2
  • D 1
View Answer & Explanation
Question 14:
A piano wire 50 cm long has a total mass of 10 g and its stretched with a tension of 800 N. Find the frequency of the wire when it sounds its third overtone note.
  • A 800 Hz
  • B 600 Hz
  • C 400 Hz
  • D 200 Hz
View Answer & Explanation