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9 questions
The things through which light can pass completely are known as __________ .
transparent
translucent
opaque
none of these
Find the odd one out.
Wooden frame
Wall of the room
Glass tumbler
Metal door
Which of the following is translucent object?
Wooden frame
Butter paper
Glass tumbler
Plastic compass box
Materials through which light cannot pass through are known as _________ .
Transparent materials
Translucent materials
Opaque materials
None of these
Complete the following sentence, "Shadow is formed when ______."
a transparent object in placed in the path of light
an opaque object is placed in the path of the light
a translucent object is placed in the path of light
a transparent, opaque and translucent object is placed in the path of light.
In the given situation, A shows the source of light, say a torch. When torch is lighted, the light reflects from object B, which creates a patch of light at screen C. Which of the following object should be placed at point B?
A wooden sheet
A paper sheet
A glass frame
A mirror
Observe the given situation carefully and identify the type of material of object D.
Glass
Wood
Metal
Cardboard
Choose the correct statement among the following. (i) Light cannot pass through an opaque objects (ii) Light can pass completely through transparent objects (iii) Transparent object reflects most of the light.
(i) and (ii)
(i) and (iii)
(ii) and (iii)
(i) (ii) and (iii)
Which of the following torch will form the shadow of the ball on the screen?
A
B
C
None of these
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