Sound

Pitch of the sound is determined by it amplitude.

• True

• False

What is the length of the vocal cord for women ?

• 5mm long

• 20mm long

• 15mm long

• 10mm long

The ................... stretched rubber sheet.

• Larynx

• eardrum

• inner ear

• outer ear

Frequency is expressed in ........................

• Hartz

• Herzt

• Hertz

• Hretz

The loudness is measured in ......................

• Decibal

• Decibel

• Dicebil

• None of the above

The number of ........................ per second is called frequency.

• Oscillation

• Amplitude

• Waves

• Sound

Above .......... dB the noise becomes physically painful.

• 100 dB

• 50 dB

• 80 dB

• 90 dB

Cochlea is a part of ......................

• Sound producing organ

• Hearing organ

• Mouth organ

• All of the above

If 1 hertz is equal to 60 vibrations per minute so what will be the vibration per minute for 3 hertz ?

• 190 vibrations per minute

• 160 vibrations per minute

• 180 vibrations per minute

• None of the above

Tabla can come in which of the category ?

• Air colomn

• Streched membrane

• Both A and B

• None of the above