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प्रश्न
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light
विकल्प
is scattered the most by smoke or fog
is scattered the least by smoke or fog
is absorbed the most by smoke or fog
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उत्तर
moves fastest in air
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संबंधित प्रश्न
What happens to the image distance in the eye when we increase the distance of an object from the eye?
Write the name.
The sensation on the retina persists for a while is
Write an Explanation.
Persistence of vision
Identify and explain concepts given in this diagram.
The 'eye muscles' are controlled by which cranial nerves?
Having two eyes facilitates in
A: Increasing the field of view
B: Bringing three-dimensional view
C: Developing the concept of distance/size
Then the correct option is/are
The focal length of the eye lens increases when eye muscles ____________.
The least distance of distinct vision for a normal eye is ____________.
A student sitting on the last bench can read the letters written on the blackboard but is not able to read/the letters written in his textbook. Which of the following statements is correct?
When light rays enter the eye, most of the refraction occurs at the
How are we able to see nearby and also the distant objects clearly?
A piece of red glass is heated till its glows in dark. The colour of flowing glass would be:-
In the blind spot of the human eye ______.
In simple microscope ______ lens is used.
The vitamin required for the synthesis of rhodopsin is ______.
Name the following:
Two types of adaptations.
Define the following term:
Adaptation
Differentiate between members of the following pair with reference to what is asked in the bracket.
Near and distant accomodation (shape of lens).
