science 3rd quarter

Question 1

study and behavior of properties of light

Answer 1

optics

Question 2

forms images by reflecting light

Answer 2

mirrors

Question 3

forms images by refracting light

Answer 3

lenses

Question 4

change in direction of the propagation of a wave when the wave strikes the surface of a different material

Answer 4

reflection

Question 5

-when light ray hits a rough surface
-no clear image is formed

Answer 5

diffuse reflection

Question 6

when rays is reflected on a smooth surface
-clear image is formed

Answer 6

specular or regular reflection

Question 7

produce image that they reflect
-have a reversal effect in which the image of an object is laterally inverted

Answer 7

plane mirror

Question 8

when light ray strikes a mirror

Answer 8

incident ray

Question 9

when light ray reflects or bounces of a mirror

Answer 9

reflected ray

Question 10

laterally inverted image or erect

Answer 10

virtual image

Question 11

inverted or upside down

Answer 11

real image

Question 12

characteristics of images formed by plane mirrors

Answer 12

1. image size is same as object size
2. object distance is equal to image distance on mirror
3. image is always erect or upright
4. image is found behind mirror
5. image is laterally reversed left to right