Consider the following statements: 1. A flute of smaller length produces waves of lower frequency.
Consider the following statements:
1. A flute of smaller length produces waves of lower frequency.
2. Sound travels in rocks in the form of longitudinal elastic waves only.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
2 Answers
(b) The flute is a musical instrument of the woodwind family. A flute of smaller length produces waves of higher frequency. Sound waves travels through medium even through extremely dense medium like rocks in the form of longitudinal waves only. A good example is the shock wave from an Earthquake, which can be heard hundreds of miles away from the epicenter after travelling through rocks in the ground.
The correct option is: (b) 2 only
Explanation:
Sound travels in rocks in the form of longitudinal elastic waves only