What is the difference between shadows and images?
Write difference between Transparent , Translucent and Opaque objects?
What the conditions are requried for formation of the shadow
How to make pinhole camera?
write an activity to show light travels in straight line
why is the shadow of an object formed opposite to the direction of light source
What is the principle of a pinhole camera?
State three charateristics of the image formed in the pinhole camera .
Show a diagram.
which object reflection gives us clear images
Give the principle,construction and working of a pinhole camera.
give 4-5 examples of transparent, translucent and opaque
How To Make A Pin Hole Camera?
Moon appears bright at night. Is it luminous or non- luminous body? Give reason.
We can't see the shadow of a bird or an aeroplane flying high up in the air, because:
a. the umbra doesn't fall on the ground
b. the penumbra doesn't fall on the ground
c. the umbra is very faint
d. no shadows are formed for flying objects
What is irregular reflection?
If light is invisible , how does the surrounding become visible ?
The colour of the shadow depends on the colour of the object . Is it True or False
how does light help us to see things ?
in a pinhole camera why is the image formed upside down
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