optics review

Question 1

light is transferred through…..
Radiation
Force
Heat

Answer 1

radiation

Question 2

light is a part of what spectrum?

Answer 2

electromagnetic

Question 3

Which of the following is true about wavelengths?

Answer 3

shorter wavelengths higher energy. higher energy means moe danger

Question 4

if material lets light pass through but it is not see-through it is described as….

Answer 4

Translucent

Question 5

Chertin animals can produce their own light. what kinds of light is that

Answer 5

Bioluminescence

Question 6

what do you have to do to find the focus on a mirror?

Answer 6

take the centre of curvature and x2
how far away the mirror is from the object

Question 7

When a light enters a rectangular prism the incident ry and emerging ray are…..

Answer 7

parallel

Question 8

At what point along the principal axis will a converging lens crate no image?

Answer 8

at F

Question 9

Diverging lenses will alwyas make what type of image

Answer 9

virtual

Question 10

the only portion of the electromagnetic spectrum can humans can detect

Answer 10

visible color

Question 11

Matter that does not let light though is described as….

Answer 11

opaque

Question 12

bending of light as it travels from one medium to another is called

Answer 12

refraction

Question 13

which coulor on the visible spectrum has the longest wave length?

Answer 13

red