Question 28
The change of the direction of a wave-front because of a change in the velocity of the wave in another medium is called
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 1988
- Question no.
- #28
- Type
- Objective
More from this paper
- Q24A transparent rectangular block 5.0cm thick is placed on a black dot. The dot…
- Q25The velocities of light in air and glass are 3.0 x108ms-1 respectively…
- Q26An object is placed 36cm from a converging lens of focal length 24cm.If a real…
- Q30Which of the following statement s is/are not correct about a standing wave? I…
- Q31A boy standing a distance from the foot of a tall cliff claps his hands and…
- Q32A sounding tuning fork is brought near the end of a pipe containing an air…