Quiz on Sound and Acoustics

Sound produced due to vibration of ------- particles.

• Liquid

• Gas

• Air

• Stone.

Audible sound are

• Movement of insects

• Infrasonic

• Inaudible

• Ultrasonic

Inaudible sound are

• Breath from human

• Rustling of leaves

• Ultrasonic

• Vibration of particles

The confusion arises due to the ------------ construction of the buildings.

• Elevation

• Bad architectural

• Stress

• Good architecture

A branch of physics which deals with the properties of sound waves, laws of their excitation, propagation and action of sound waves on obstacles is called

• Photonics

• Electronics

• Properties of matter

• Acoustics

Sound waves of frequencies in between 20Hz to 20KHz are termed as

• Inaudible

• Vibration

• Audible

• X- ray

The loudness and amplitude of sound varies

• Directly

• Inversely

• Not related

• Proportionally

The speed of sound can be found by relation

• v = cλ

• v = ma

• v = fλ

• f=1⁄T

The science, which deals with the design of a good auditorium and buildings with less noises and clear sound is known as

• Environmental acoustics

• Vibration acoustics

• Architectural acoustics.

• Musical acoustics

A human hearing cannot hear a sound of frequency less than

• 20 Hz

• 30 Hz

• 10 Hz

• 40 Hz