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?

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Which part of human ear converts sound vibrations into electrical signals

• Hammer

• Stirrup

• Tympanic membrane

• Cochlea