Electromagnetic wave

Question 1

Responsible for introducing the concept of field in physics to describe electromagnetic interaction

Answer 1

Michael Faraday

Question 1

Travels at the speed of

Answer 1

3x10^8

Question 2

Electromagnetic waves are also known as

Answer 2

Transverse waves

Question 3

EM waves are different because of

Answer 3

Amplitude, Frequency, and Wavelength

Question 4

Maximum field strength of the electric and magnetic fields

Answer 4

Amplitude

Question 5

Describes how many waves per second a wavelength produces

Answer 5

Frequency

Question 6

Measures the length of an individual wave in meters

Answer 6

Wave length

Question 7

Is a disturbance that transfers energy

Answer 7

Wave

Question 8

Comprises of an electric field and magnetic field at right angle to each other and to the direction of the wave

Answer 8

Electromagnetic Wave

Question 9

EM waves are often arranged in the order of wavelength and frequency in what is known as

Answer 9

Electromagnetic Spectrum

Question 10

Red has the ____________ wave length

Answer 10

longest

Question 11

Violet has the ____________ wave length

Answer 11

Shortest

Question 12

Used in radio and television communication

Answer 12

Radio Wave

Question 13

Are used in satellite communication, terrestrial communications, RADAR, microwave ovens

Answer 13

Microwave

Question 14

Are found in remote controls, night vision googles, camera autofocus, thermograms

Answer 14

Infared

Question 15

Are used by plans; Photosynthesis, artificial lighting, screen of electromagnetic devices

Answer 15

Visible light

Question 16

Used to check signatures on a passbook, used to identify fake banknote

Answer 16

Ultraviolet rays

Question 17

Used in medical use, engineering applications

Answer 17

X-ray

Question 18

Used for medical treatment, radiotherapy, nuclear reactions

Answer 18

Gamma Rays