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Light & Shadows - Application based questions
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The lighter, outer part of the shadow is called ______________?
Penumbra
The Dark part of a shadow is called__________?
Umbra
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 does light do when it reaches an object it cannot pass through? a) It cast a shadow b) It tries to passes through anyway
It casts a Shadow
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
We can see objects because of reflection of light.True or false?
True
Which colour objects absorb all the light.? ( Green, White, Red, or Black)
Black
Which of these travel faster? Light or Sound?
Light
The farther away an object is from the light source, the smaller the shadow. True or False?
True
What is Lunar Eclipse?
A Lunar Eclipse occurs when the Earth comes in between the Sun and the Moon
What is Solar Eclipse?
A Solar Eclipse occurs when the Moon comes in between the Sun and the Earth
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
Shadows are always formed on ____________ side of the light. ( In front, behind, Opposite)
Opposite
Why do Transparent Objects form no shadows?
Because they allow all light to pass through
Why do Translucent Objects form faint Shadows?
Because they allow some of the light to pass through
Why do Opaque Objects form dark Shadows?
Because they do not allow light to pass through
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.
We cannot see light behind a brick wall. Give reason
Light travels in a straight line. It cannot bend around a brick wall
What are the 3 conditions required to form a shadow?
1. Source of light, 2) Opaque Object, 3) A Surface
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