MST

Question 1

It can travel through a medium & vacuum.

Answer 1

EM Waves

Question 2

Repeated motion produced by a back-and-forth or up-and-down motion.

Answer 2

Vibration

Question 3

Vibration produces _______

Answer 3

Waves

Question 4

Vibration or disturbance of particles

Answer 4

Waves

Question 5

Material that carries the wave

Answer 5

Medium

Question 6

Give the types of Mediums

Answer 6

Solid, Liquid, and Gas

Question 7

What does “Waves based on the nature of propagation” mean?

Answer 7

This means whether a material needs a medium

Question 8

Types of Nature of Propagation

Answer 8

Mechanical Waves & Electromagnetic Waves

Question 9

What is a mechanical wave?

Answer 9

A wave that requires a medium to propagate

Question 10

What is an electromagnetic wave?

Answer 10

A wave that does not require a medium to propagate

Question 11

Give 2 examples of mechanical waves

Answer 11

Ocean waves and Seismic waves

Question 12

Give 2 examples of electromagnetic waves

Answer 12

Radio waves and Microwaves

Question 13

What does “based on the direction of propagation” mean?

Answer 13

Waves classified according to how they move

Question 14

Types of classifications based on the direction of propagation and what nature of propagation they’re under

Answer 14

Transverse waves-Electromagnetic waves
Longitudinal waves-Mechanical waves

Question 15

Transverse waves are in what direction?

Answer 15

Perpendicular to the direction of the wave

Question 16

Longitudinal waves are in what direction?

Answer 16

Parallel to the direction of the wave

Question 17

What is a wavelength?

Answer 17

Distance between identical points

Question 18

What is a period?

Answer 18

The time it takes a wave to complete a cycle

Question 19

What is an amplitude?

Answer 19

The displacement from the equilibrium

Question 20

What is a frequency?

Answer 20

number of wave cycles per second

Question 21

The crest is?

Answer 21

The highest point of a wave

Question 22

The trough is?

Answer 22

The lowest point of a wave

Question 23

What is the equilibrium?

Answer 23

The resting position

Question 24

Has the longest wavelength and lowest frequency

Answer 24

Radio waves

Question 25

Who discovered radio waves?

Answer 25

James Clerk Maxwell

Question 26

It is an electromagnetic wave that can be seen by human eye

Answer 26

Visible light

Question 27

Who discovered visible light?

Answer 27

Isaac Newton

Question 28

All objects can omit this type of wave

Answer 28

Infrared ray

Question 29

Who discovered infrared rays?

Answer 29

Herschel

Question 30

Has shorter wavelength but greater energy than visible light

Answer 30

Ultraviolet rays

Question 31

Who discovered UV Rays?

Answer 31

Ritter

Question 32

Its name means unknown ray

Answer 32

X-ray

Question 33

Who discovered X-rays?

Answer 33

Roentgen

Question 34

A wave used in a house furniture

Answer 34

Microwave

Question 35

Who discovered microwaves?

Answer 35

Spencer

Question 36

Has the highest energy and smallest wavelength

Answer 36

Gamma rays

Question 37

Who discovered gamma rays?

Answer 37

Villard

Question 38

Who named gamma rays?

Answer 38

Rutherford

Question 39

AM means?

Answer 39

Amplitude Modulation

Question 40

FM means?

Answer 40

Frequency Modulation

Question 41

What does RADAR mean?

Answer 41

Radio Detecting and Ranging

Question 42

RMIVUXG stands for?

Answer 42

Radio, Micro, Infrared, Visible Light, Ultraviolet, X-ray, Gamma ray

Question 43

Unit for wavelength

Answer 43

m

Question 44

Unit for frequency

Answer 44

Hz, s^-1, 1/s

Question 45

The phrase to remember the conversion of units

Answer 45

King Herny Died By Drinking Cholocate Milk

Question 46

What is a possible outcome of using UV Rays?

Answer 46

It can harm human health

Question 47

Are microwaves typically safer for human exposure than gamma rays?

Answer 47

Yes

Question 48

The complete distribution of electromagnetic waves

Answer 48

Electromagnetic Spectrum

Question 49

Has the highest frequency in the visible spectrum

Answer 49

Violet

Question 50

What year did Roentgen accidentally discover x-rays?

Answer 50

1895

Question 51

Coined the term Gamma ray

Answer 51

Rutherford

Question 52

Is it true that energy increases with frequency?

Answer 52

Yes

Question 53

A wave has a frequency of 6.3 x 10^-8 Hz, what is its wavelength?

Answer 53

4.76 x 10^15 m

Question 54

What'd be the frequency of a wave if the value of its wavelength is equivalent to 22m?

Answer 54

1.36 x 10^4 Hz

Question 55

the reflecting surface is on the outer surface

Answer 55

Conver mirror

Question 56

the reflecting surface is on the inner surface

Answer 56

Concave mirror

Question 57

The point in the center of the sphere

Answer 57

Center of Curvature

Question 58

distance between the vertex and focal point

Answer 58

focal length

Question 59

between the center of curvature and vertex

Answer 59

focal point

Question 60

imaginary line passing through the center of the mirror

Answer 60

principal axis