refraction, reflection, diffraction

Question 1

refraction

Answer 1

when light passes a boundary between two different transparent media at an angle resulting in a change of direction

Question 2

Less dense to more dense (refraction)

Answer 2

Bends towards the normal

Question 3

More dense to less dense (refraction)

Answer 3

Bends away from the normal

Question 4

What causes change in direction?

Answer 4

the change in speed
- when light passes more dense substance the rays will slow down

Question 5

what properties change during refraction

Answer 5

Speed and wavelength
(frequency stays the same)

Question 6

law of reflection

Answer 6

angle of incidence = angle of reflectionwh

Question 7

when an object is reflected in a plane mirror, the image will be:

Answer 7

• same size as object
• same distance behind mirror as object is in front
• virtual