_____1. What is the smallest possible piece of electromagnetic ray?
a. Photon b. electron c. cell d. nucleus
_____2. The following statements are the properties of light EXCEPT?
a. Light travels in a straight path
b. Light can be absorbed.
c. Light can be reflected.
d. Light can be bend in only one medium.
_____3. Which of the following statements is correctly stated?
a. Light always travel in the same speed in two different mediums.
b. Bending of light happens when the light bounces back when it hits an
object.
c. Light bends when it travels in two different mediums.
d. Light travel in less speed than sound.
_____4. When light strikes water molecule, band of colors appear because of
______.
a. Dispersion b. absorption c. reflection d. adsorption
_____5. When the light hits an object, the light will stop and be bounced
off in another direction which means that light does not reach the
area behind a
person or object, leaving a shadow. What property of light is involved?
a. Light can be reflected.
b. Light travel in straight line.
c. Light can be absorbed.
d. Light can be bend.
_____6. Which of the following DOES NOT show the importance of refraction in
light?
a. Refraction is important for fishermen because they must realize that thing
s under water are not exactly where they appear.
b. Refraction is used in making eye glasses, when light hits the glass, then
travels at a different speed into your eye.
c. Refraction is used in telescopes to make things far away seem closer.
d. Refraction is the reason why people tend to wear dark color during winter
time.
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Answer:
1. a. Photon
2. d. Light can be bend in only one medium.
3. c. Light bends when it travels in two different mediums.
4. a. Dispersion
5. a. Light can be reflected.
6. d. Refraction is the reason why people tend to wear dark color during winter time.
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