Sound- Physics Class 9

Sound travels fastest in

• Solid

• Liquid

• Gas

• All of the above

Sound is a

• Wave

• Mechanical Wave

• Longitudinal Wave

• Transverse Wave

Unit of Wavelength is

Which topic of this chapter Sound, you liked the most?

• Production of Sound

• Propagation of Sound

• Reflection of Sound

• Wave

In the previous question, you have selected your favorite topic of this chapter. Now, write down why that is your favorite?

Which part of human ear converts sound vibrations into electrical signals

• Hammer

• Stirrup

• Tympanic membrane

• Cochlea