Understanding Horns and Sound Amplification

Understanding Horns and Sound Amplification

Assessment

Interactive Video

Physics

9th - 10th Grade

Hard

Created by

Jennifer Brown

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the initial purpose of creating a smaller prototype model of the horn?

To understand the challenges of scaling up

To sell it as a product

To test the sound quality

To create a decorative piece

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What component is crucial for the horn's sound production?

The gel coat

The fiberglass layers

The diaphragm

The polyester resin

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the horn's curved shape help in sound conservation?

It adds power to the sound

It reduces air resistance

It matches the impedance between the diaphragm and air

It changes the sound frequency

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How far away could the horn's sound be clearly heard during the test?

Five miles

One mile

Half a mile

Two and a half miles

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key to breaking glass using sound?

Increasing the volume

Applying more force

Finding the resonant frequency

Using a higher pitch