Sound: Fill in the blanks notes

Sound FIB 11:

If the medium particles vibrate normal to the direction of propagation of waves, then such a wave is called ......... wave.

transverse

Sound FIB 12:

Transverse waves can travel only in .........

solids

Sound FIB 13:

The sound heard after reflection from a distant obstacle after the original sound has ceased is called .........

echo

Sound FIB 14:

The sensation of sound persists in human ear for about ......... second.

0.1

Sound FIB 15:

To hear an echo distinctly, the reflecting surface in air should be at a minimum distance of ......... m from the listener.

17

Revise notes of Sound:

Sound FIB Notes 1 to 5

Sound FIB Notes 6 to 10

Sound FIB Notes 16 to 20

Sound FIB Notes 21 to 25

Sound FIB Notes 26 to 30

Go to FIB tests of Sound:

Sound FIB Quiz 1 to 5

Sound FIB Quiz 6 to 10

Sound FIB Quiz 11 to 15

Sound FIB Quiz 16 to 20

Sound FIB Quiz 21 to 25

Sound FIB Quiz 26 to 30