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प्रश्न
Water is optically .......... than air.
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उत्तर
Water is optically denser than air.
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संबंधित प्रश्न
Name the phenomenon responsible for the following effect:
When we sit in front of a plane mirror and write with our right hand, if appears in the mirror that we are writing with the left hand.
The image in a plane mirror is virtual and laterally inverted. What does this statement mean?
The angle of reflection is equal to the angle of incidence:
(a) always
(b) sometimes
(c) under special conditions
(d) never
Fill in the following blank with suitable word:
Light bends when is passes from water into air. We say that it is ............
A vertical ray of light strikes the horizontal surface of some water:
What is the angle of refraction?
What do you understand by refraction of light?
Fill in the blank and Explain the completed sentences.
The change in ______ of light rays while going from one medium to another is called refraction.
The laws of reflection hold true for ______.
Write scientific reason.
The sun appears on the western horizon for some time after sunset.
When a ray of light travels normal to the given surface, then the angle of refraction is ______.
