std-3
answer the questions.
a) what helps us to see during the day?
b) what helps us to see in the dark?
c) what are transparent objects?
d) how does light travel?
e) how are shadows formed?
Answers
Answered by
0
Answer:
retina help us to see
Explanation:
transparent objects is like glass which melt at 0°C .
light travel 18 minutes per second speed
shadows formed by reflect back of light
Answered by
1
Answer:
a) cones
b)Rods
c)Transparent objects that can be can see through my side to other side is called transparent.
d)Light travels as a wave.
e) If an opaque (solid) object gets in the way, it stops light rays from traveling through it. This results in an area of darkness appearing behind the object. The dark area is called a shadow.
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