Question 31
A note of frequency of 2000Hz has a velocity of \(400ms^{-1}\). What is the wavelength of the note?
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 1994
- Question no.
- #31
- Type
- Objective
More from this paper
- Q27When an atom loses or gains a charge, it becomes an
- Q28In 24 days a radioactive isotope decreases in mass from 64g to 2g. What is the…
- Q29The nucleon number and the proton number of a neutral atom of an element are 238…
- Q33A ball is dropped from a height of 45m above the ground. Calculate the velocity…
- Q34A body accelerates uniformly from rest at \(2ms^{-2}\). Calculate the velocity…
- Q35A metal rod of length 40cm at 20°C is heated to a temperature of 45°C. If the…