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What is looming? - Physics

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प्रश्न

What is looming?

एका वाक्यात उत्तर
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उत्तर

Looming takes place in cold regions. The light from distant objects appears to be flying. For looming to form refractive index goes on decreasing.

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पाठ 6: Ray Optics - Evaluation [पृष्ठ ४९]

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सामाचीर कलवी Physics - Volume 1 and 2 [English] Class 12 TN Board
पाठ 6 Ray Optics
Evaluation | Q 14. | पृष्ठ ४९

संबंधित प्रश्‍न

Consider the situation in figure. The bottom of the pot is a reflecting plane mirror, S is a small fish and T is a human eye. Refractive index of water is μ. (a) At what distance(s) from itself will the fish see the image(s) of the eye? (b) At what distance(s) from itself will the eye see the image(s) of the fish.


A converging beam of light traveling in air converges at a point P as shown in the figure. When a glass sphere of refractive index 1⋅5 is introduced in between the path of the beam, calculate the new position of, the image. Also, draw the ray diagram for the image formed.


A point 'O' marked on the surface of a glass sphere of diameter 20 cm is viewed through glass from the position directly opposite to the point O. If the refractive index of the glass is 1⋅5, find the position of the image formed. Also, draw the ray diagram for the formation of the image

Stars twinkle due to ______.


Why do stars twinkle?


What is Snell’s window?


Light travels from an optically denser medium 'A' into the optically rarer medium 'B' with speeds 1.8 × 108 m/s and 2.7 × 108 m/s respectively. Then critical angle between them is ______.

1 and µ2 are the refractive indices of media A and B respectively.)


A ray of unpolarised light is incident on the surface of glass plate of µ = 1.54 at polarising angle, then angle of refraction is


A convex lens made of material of refractive index 1.5 and having a focal length of 10 cm is immersed in a liquid of refractive index 3.0. The lens will behave as ______.


Using Huygen's wave theory, show that (for refraction of light):

`sin i/sin r = "constant"`

where terms have their usual meaning. You must draw a neat and labelled diagram.


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