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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
if you are standing in an open field at 12 noon,what kind of shadow would you see of yourself?
How to make pinhole camera?
We see the sun rising 8 1/4 minutes after it has actually risen .Why ?
write an activity to show light travels in straight line
On a bright day at noon, you are standing with your father and he is taller than you. Will his shadow will be longer ? why ?
What is the principle of a pinhole camera?
State three charateristics of the image formed in the pinhole camera .
Show a diagram.
Give the principle,construction and working of a pinhole camera.
can you say about the nature of clouds, regarding transmission of light
give 4-5 examples of transparent, translucent and opaque
How To Make A Pin Hole Camera?
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?
Why does the blue box look blue? Is it always blue? Will it look blue even in the dark or under a red light?
how does light help us to see things ?
in a pinhole camera why is the image formed upside down
Does the flame of gas stove emit light? Explain.
write the properties of shadow.
explain construction &working of a pinhole camera
can you also explain the difference between convergent beam , divergent beam , parallel beam and a ray
Moon appears bright at night. Is it luminous or non- luminous body? Give reason.
How does a pinhole camera works ?
These objects allow light to pass through them.
These objects allow light to pass through them partially.
These objects do not allow light to pass through them.
One can clearly see through transparent objects.
One can see through translucent objects but not very clearly.
One cannot see through opaque objects.
Transparent objects do not cast shadows because they do not block light.
Translucent objects cast faint shadows as they block light partially.
Opaque objects cast dark shadows as they block light completely.
Under `what curcumstances, a red shadow can be formed?
under what circumstances red shadow can be formed
how can we make a kaleidoscope ?
can an object form two or more shadows at the same time ? How ?
Let take an example of the object around which light could bend,like water flowing around the stone in its path. Would such thing form a shadow? Justify your statement. Why?
What are the type of image formed in Cinema screen?
why is the shadow of an object formed opposite to the direction of light source
what is a periscope
what does virtual mean
Why is an image not formed on rough surface ?
what is a periscope?
A solid, transparent sphere has a small, opaque dot at its centre. When observed from outside, the apparent position of the dot will be ?
Pls give ans with explanation
is cellophane opaque or transperent or translucent
how does sun get light?
why are we not able to see the shadow of bird when it flying uu in the sky ? why are able
to see it when it is near to the ground?
what is the difference between shadow and image
why is shadow of an object formed in the direction opposite to the sideof light source?why should we not look directly at the sun through pinhole camera?
1). A transparent object does not form a clear shadow. Write reason
In a completely dark room if you hold up a mirror in front of you will you see the reflection of yourself in the mirror?
is our palm (or hand) a opaque or translucent organ?? because when we take it near a torch light can pass through it patially...
so how will it be classified?
skin is translucent transparent or opaque
and hand is translucent transparent or opaque
which type of object tracing paper is? (opaque/ transparent/ translucent)
Is a wire mesh a transparent, translucent or opaque object?
under what circumstances can a red shadow be formed?
how can we make a periscope
what is butter paper?
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