Sicence (waves)

Question 1

Name me all the electromagnetic waves in order

Answer 1

Radio wave
Micro waves
Infra red
Visible light
Ultra violet
X rays
Gamma rays

Question 2

What is refraction

Answer 2

When a wave crosses a boundary between two materials it changes speed

Question 3

What are radio waves mainly for

Answer 3

Communication

Question 4

What are microwaves used by

Answer 4

Satellites

Question 5

What is infrared radiation used for

Answer 5

To monitor temperature

Question 6

What disease gamma ways and x rays give

Answer 6

Cancer

Question 7

What are longitudinal waves

Answer 7

The are parallel to the direction of energy transfer

Question 8

What are transverse waves

Answer 8

The are perpendicular to the energy transfer

Question 9

Describe the required refraction practical

Answer 9

1: draw a straight line on a paper
2: use a protractor to draw lines at right angles
3: place a glass block next the straight line
4: draw the glass block out
5: turn the lights of
6:use a ray box to hit its light at the block
7: mark the path of the incident of ray (with crosses)
8: draw the incidents lines to the transmitted one
9 then measure it