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What is the difference between shadows and images?
why is the shadow of an object formed opposite to the direction of light source
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
What is the principle of a pinhole camera?
State three charateristics of the image formed in the pinhole camera .
Show a diagram.
What are opeque, translusent & transparent objects
Give the principle,construction and working of a pinhole camera.
give 4-5 examples of transparent, translucent and opaque
in which direction will your shadow be formed when you are standing in sun during
(a) early morning ?
(b) afternoon ?
How To Make A Pin Hole Camera?
Light travels at the fastest speed in
A. Glass B. Water
C. Hydrogen D. Vacuum
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?
how does light help us to see things ?
which object reflection gives us clear images
in a pinhole camera why is the image formed upside down
Does the flame of gas stove emit light? Explain.
explain construction &working of a pinhole camera
can you also explain the difference between convergent beam , divergent beam , parallel beam and a ray
Why is an image not formed on rough surface ?
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?
how can we make a kaleidoscope ?
Q.1 How does the light travel from one point to the other?
Q.2 Give one example of living thing which emits light ?
is cellophane opaque or transperent or translucent
can an object form two or more shadows at the same time ? How ?
Moon appears bright at night. Is it luminous or non- luminous body? Give reason.
What are the type of image formed in Cinema screen?
Is a wire mesh a transparent, translucent or opaque object?
what is a periscope
what does virtual mean
under what circumstances red shadow can be formed
What are the differences between the image made by pin hole camera by mirror?
if you are standing in an open field at 12 noon,what kind of shadow would you see of yourself?
We see the sun rising 8 1/4 minutes after it has actually risen .Why ?
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
what is a periscope?
State whether the following is True or False. Rewrite the false statements correctly.
1). The image formed by a plane mirror is always erect.
2). Light always travels in straight lines.
3). Mirror reflection gives exact image of an object
what is shadow?
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 phenomenon ?
how does sun get light?
With the help of a diagram explain
1). Solar Eclipse.
2). Lunar Eclipse
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?
Which type of object scale is? (opaque/ transparent/ translucent)
skin is translucent transparent or opaque
and hand is translucent transparent or opaque
A girl is 20 cm away from a plane mirror. If she moves few steps closer to the mirror, what will happen to the image size in the mirror and why ?
write the properties of shadow.
which type of object tracing paper is? (opaque/ transparent/ translucent)
what is pinhole camera
can u tell me what is periscope
under what circumstances can a red shadow be formed?
Who study this lesson?
how can we make a periscope
WHY IS THERE A LOT OF PRINTING ERRORS IN THE SOLUTIONS IN YOUR LETS REVIEW AFER EVERY CHAPTER ? WHEN I FINISHED MY TEST I GOT THREE ANSWERS WRONG . THEN I CHECKED VIEW SOLUTIONS . MY WRONG ANSWER WAS MATCHING THE CORRECT ANSWER. THIS HAS HAPPENED THREE TIMES . I WANT A REPLY FROM A STAFF OR TEACHER OF MERITNATIONTM.
what is butter paper?
When is the shadow of the box the shortest, when the long side is pointed towards the sun or when the short side is pointing towards the sun?
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