Why do Translucent Objects form faint Shadows?
Because they allow some of the light to pass through
We can see objects because of reflection of light.True or false?
True
Why do Opaque Objects form dark Shadows?
Because they do not allow light to pass through
We cannot see light behind a brick wall. Give reason
Light travels in a straight line. It cannot bend around a brick wall
Why do Transparent Objects form no shadows?
Because they allow all light to pass through
The Dark part of a shadow is called__________?
Umbra
Why is it Day in India, when night in USA?
Located on the opposite sides of the earth, it is day when India faces the Sun, and vise versa
Hold a pipe or straw in front of a candle & see the flame. Now, bend the pipe.
Can you see the flame now? Why?
Light travels in a straight line. It does not bend when you bend the pipe.
When you see a red t-shirt ,the red t-shirt is not absorbing which of the following lights?
blue,
green,
yellow, or,
all the above
All of the above
A shadow that one object casts on another object in space is called _________?
a) An Eclipse,
b) Solar Eclipse,
c)Lunar Eclipse
An Eclipse
What are the 3 conditions required to form a shadow?
1. Source of light, 2) Opaque Object, 3) A Surface
Shadows are always formed on ____________ side of the light. ( In front, behind, Opposite)
Opposite
The lighter, outer part of the shadow is called ______________?
Penumbra