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What is the speed of light in vacuum?

50% studentsanswered this correctly

Important Questions on Light

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Science>Physics>Light>Light Travels along a Straight Line
Which of the following objects allow light to pass through them?
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Science>Physics>Light>Light Travels along a Straight Line
Water is opaque.
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Science>Physics>Light>Light Travels along a Straight Line
List a few examples of opaque objects?
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Science>Physics>Light>Light Travels along a Straight Line
Categorize objects on the basis of passage of light through them.
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Science>Physics>Light>Light Travels along a Straight Line
Glass is a transparent object.
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Science>Physics>Light>Light Travels along a Straight Line
What are transparent, translucent, and opaque objects?
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Science>Physics>Light>Light Travels along a Straight Line

Give three examples of the following.
Objects made of transparent materials.

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Science>Physics>Light>Light Travels along a Straight Line
Light refracts at the boundary of 
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Science>Physics>Light>Light Travels along a Straight Line
Your note book is transparent.
MEDIUM
Science>Physics>Light>Light Travels along a Straight Line
Transparent objects do not form shadows because of light _____  (passing / blocking) through them.
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Science>Physics>Light>Light Travels along a Straight Line

Fill in the blank spaces by choosing correct words from the list given below :

List: translucent, reflection, light, opaque, rectilinear
Ground glass is a _____ medium.

MEDIUM
Science>Physics>Light>Light Travels along a Straight Line
What are non-luminous objects? Name some non-luminous objects.
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Science>Physics>Light>Light Travels along a Straight Line
_____ object forms no shadow when light passes through it.
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Science>Physics>Light>Light Travels along a Straight Line
What are the translucent objects? Name them. 
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Science>Physics>Light>Light Travels along a Straight Line
Coloured glass is an example of _____ material.
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Science>Physics>Light>Light Travels along a Straight Line
Our body is opaque.
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Science>Physics>Light>Light Travels along a Straight Line

Tables, cricket balls, and walls are examples of _____ objects.

(Choose from the following: opaque/translucent)

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Science>Physics>Light>Light Travels along a Straight Line

Frosted glass is an example of _____ object.

(Choose from the following: transparent/ translucent)

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Science>Physics>Light>Light Travels along a Straight Line
Transparent objects let _____ pass through them in straight lines.
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Science>Physics>Light>Light Travels along a Straight Line
Name one transparent, translucent and opaque object.