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CBSE Class 12-science Answered

Sir/mam, what is the correct graph for Law of Malus, i.e., I=Io cos^2a, where a is the angle between polarizer and analyser?
Asked by Nupur Aggarwal | 23 Feb, 2011, 04:22: AM
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Dear student,

 
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Answered by | 23 Feb, 2011, 11:02: AM

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CBSE 12-science - Physics
find the condition for constructive and destructive interference .how does the intensity depend on the width of slit?  
Asked by shivamtkr7767 | 03 Mar, 2024, 12:45: PM
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CBSE 12-science - Physics
find the intensity at a point on a screen in young double slit experiment where the interfering wave of equal intensity have have a path difference of lemda/4,lemda/3
Asked by tannusharan31 | 05 Nov, 2023, 05:31: PM
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CBSE 12-science - Physics
Please answer below question from 2023 board paper:  
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Asked by prachis14 | 06 Mar, 2023, 04:49: PM
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CBSE 12-science - Physics
huygens wave theory ?
Asked by rajawatmeena845 | 19 Jan, 2023, 07:21: PM
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CBSE 12-science - Physics
wave lets means
Asked by rajawatmeena845 | 19 Jan, 2023, 07:21: PM
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CBSE 12-science - Physics
In Young's double slit experiment, the two slits are separated by 0.28mm and the screen is placed at a distance of 1.4m away from the slits. the distance between the centre fringe and the fifth dark fringe is measured to be 1.35cm . calculate the wavelength of light used. Also find the fringe width if the screen is moved 0.4m towards the slits, for the same experiment set up.
Asked by mrwballari999 | 03 Jan, 2023, 09:33: AM
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CBSE 12-science - Physics
Physic
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Asked by balwansungh111334 | 13 Jul, 2022, 07:34: AM
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CBSE 12-science - Physics
A parallel beam of light of wavelength 600 nm is incident normally on a slit of width 0.2 mm. If the resulting diffraction pattern is observed on a screen 1 m away, find the distance of (i) First minimum, and (ii) Second maximum, from the central maximum. 
Asked by suman.sh01 | 21 May, 2022, 11:09: AM
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CBSE 12-science - Physics
if separation between the two slits is increased till fringes are observed then what will happen to angular separation of fringes (my thought is here  fringes are not observed  and they are increasing till fringes show up ...so until then what will happen to angular width if we increase d-slit separation..does angular width increases or remains same  
Asked by neetaspirantdoctor | 20 May, 2022, 03:57: PM
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CBSE 12-science - Physics
Please refer to the uploaded image for the doubt
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Asked by arjunsah797 | 15 May, 2022, 01:18: PM
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