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प्रश्न
The frequency of sound is measured in ______.
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उत्तर
The frequency of sound is measured in Hertz (Hz).
संबंधित प्रश्न
How is the time period of a simple pendulum affected, if at all, in the following situations:
- The length is made four times.
- The acceleration due to gravity is reduced to one-fourth.
Two simple pendulums A and B have lengths 1.0 m and 4.0 m, respectively, at a certain place. Which pendulum will make more oscillations in 1 min? Explain your answer.
Explain how the frequency of oscillation is related to the length of a pendulum and the amplitude of its oscillation.
Two clocks A and B are shown in the following figure. Clock A has an hour and a minute hand, whereas clock B has an hour hand, a minute hand as well as a second hand. Which of the following statement is correct for these clocks?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
