Microwave Technology and Principles

Microwave Technology and Principles

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Easy

Created by

Anthony Votto

Used 1+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are microwaves?

A type of sound wave

A form of energy used to heat food

A type of chemical reaction

A type of magnetic field

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate wavelength of a microwave?

12 meters

12 millimeters

12 centimeters

12 micrometers

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do microwaves not cause cancer?

They are too slow.

Their photons do not possess enough energy.

They are not a form of radiation.

They only affect water molecules.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the core technology in a microwave oven that creates microwaves?

Transformer

Antenna

Magnetron

Stirrer

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a magnetron generate electrons?

By cooling a filament.

By heating a filament with high voltage.

By using a circular magnet.

By absorbing microwaves.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do microwaves primarily heat food?

By directly transferring heat to the food's surface.

By causing water molecules in the food to vibrate.

By creating a chemical reaction within the food.

By using infrared radiation.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What property of water molecules allows them to be affected by microwaves?

Their ability to conduct electricity.

Their positive and negative charged sides.

Their large size.

Their low water content.

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