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प्रश्न
Select the correct alternative.
The luminous body is
पर्याय
a lighted bulb
earth
noon
table
उत्तर
a lighted bulb
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संबंधित प्रश्न
Write true or false of the following statement.
Light travels in a straight-line path.
Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
List two artificial sources of light.
What do we call a body that shines on its own?
Fill in the blank
The brightness of light is measured in ...................
Answer the following.
Differentiate between luminous and non-Luminous objects.
_______ is the natural source that stimulates sight and makes things visible.
Speed of light in air is 3 × 108 m s–1 and the refractive index of a medium is 1.5. Find the speed of light in the medium.
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
What is light?
