Advertisements
Advertisements
Question
Name the two types of waves which can be generates in a long flexible spring (or slinky).
Advertisements
Solution
Transverse and longitudinal waves can be generated in a long flexible spring.
APPEARS IN
RELATED QUESTIONS
Write true or false for a given statement.
A sound is a form of energy.
How is it possible to recognize a person by his voice without seeing him?
Fig. shows three ways in which a string of length l in an instrument can vibrate.
 |
 |
 |
| (i) | (ii) | (iii) |
- Which of the diagram shows the principle note?
- Which vibration has the frequency four times that of the first?
- Which vibration is of the longest wavelength?
- What is the ratio of the frequency of the vibration in (i) and (ii)?
In which medium the speed of sound is more: humid air or dry air? Give a reason to your answer.
Complete the following sentences :
Wave velocity = ________________ × wavelength.
Sound cannot travel through ______.
What types of medium are required for sound to travel?
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
