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PRADEEP-OPTICS-Exercise
- The sun is visible to us before actual………….and after………. . This is bec...
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- Total internal reflection of light is the phenomenon of………..into……..fr...
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- For toat internal reflection, light must travel……………to………….. .
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- Total internal reflection will occure only when………………in………….medium is…...
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- Mirage is accounted for by………….. .
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- When reflection occurs from denser to………….., then (mu(2))/(mu(1)) = ……...
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- For a double convex lens R(1) is………….. And R(2) is…………… . Therefore, i...
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- One dioptre is……………of focal length……… .
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- A mark is made on the bottom of beaker and a microscope is focussed on...
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- Calculate the speed and wvaelength of light (i) in glass (ii) in air, ...
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- The refractive index of diamond is 2.47 and that of glass is 1.51. How...
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- A pond of depth 20 cm is half filled with an oil of mu = 1.4 and the o...
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- A ray of light is incident at an angle of 60^(@) on one face of a rect...
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- In Fig. find the maximum angle i for which light suffers total interna...
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- Calculate the critical angle for glass air surface if a ray of light w...
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- A small bulb (assumed to be a point source) is placed at the bottom of...
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- The refractive indices of glycerine and water are 1.46 and 1.33 repect...
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- A point source of monochromatic light 'S' is kept at the centre of the...
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- When a fish looks up the surface of a perfectly smooth lake, the surfa...
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- A right prism is to be made by selecting a proper material and the ang...
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