Name the Principle Used to Find the Depth of a Sea.

Name the principle used to find the depth of a sea.

एका वाक्यात उत्तर

The depth of a sea can be found by the process of 'echo depth sounding'. This process is based on the principle of 'echo formation'.

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पाठ 3: Sound - Exercise 3.1 ii [पृष्ठ १३६]

पाठ 3 Sound
Exercise 3.1 ii | Q 15 | पृष्ठ १३६

Guess which sound has a higher pitch: guitar or car horn?

Write true or false for a given statement.

A sound is a form of energy.

Write the audible range of frequency for the normal human ear.

Which of the following can produce longitudinal waves as well as transverse waves under different conditions?

At 20°C, the minimum distance of a person from a sound reflecting surface to hear an echo is :

State the speed of (i) light and (ii) sound in air?

What is approximate value of the speed of sound in iron as compared to that in air? Illustrate your answer with a simple experiment.

Distinguish between compression and rarefactions.

Two sound waves X and Y have the same amplitude and the same wave pattern but their frequencies are 60 Hz and 120 Hz respectively, then ______.