physics p1 and p2

Question 1

what is refraction

Answer 1

when a difference in speeds causes a difference in direction

Question 2

what happens in result to greater change in speed in waves

Answer 2

the more the wave bends

Question 3

what is the minimum and max wavelength for am waves

Answer 3

min - 10^-15 and more than 10^4

Question 4

what type of waves are electromagnetic waves

Answer 4

transverse waves

Question 5

longest to shortest wavelengths of colours

Answer 5

red, orange, yellow,green,blue, indigo , violet

Question 6

what is white light

Answer 6

white light is a mix of all colours on the visible spectrum

Question 7

what does a higher frequency of a em wave mean

Answer 7

the more energy it transfers

Question 8

what is infrared radiation absorbed by

Answer 8

molecules

Question 9

description of waves

Answer 9

waves transfer energy from one place to another without transferring any matter

Question 10

what is the amplitude of a wave

Answer 10

displacement from the rest position to a crest or trough

Question 11

what is wavelength

Answer 11

distance from two points on a wave
(crest to crest)

Question 12

what is frequency

Answer 12

number of complete waves passing a point per second

Question 13

transverse waves description

Answer 13

the disturbance of the medium is perpendicular to the direction the wave travels

Question 14

examples of transverse waves

Answer 14

electromagnetic waves , s waves , waves in water , waves on a rope

Question 15

description for longitudinal waves

Answer 15

the disturbance of the medium is parallel to the direction the waves travels

Question 16

examples of longitudinal waves

Answer 16

sound waves and p waves