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CBSE Class 12-science Answered

what is superpostion principle.give an example to prove it?
Asked by | 23 Mar, 2008, 06:03: PM
answered-by-expert Expert Answer

When two or more waves of light travel simultaneously in a medium, the resultant displacement of each point of the medium at any instant is equal to the vector sum of the displacement produced by the two waves separately.

When we listen to an orchestra, we receive a complex sound due to the superposition of sound waves of different charctersistics produced by different insturments. still we can recognize separately the sound of different instruments.

Answered by | 22 May, 2008, 12:54: PM

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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
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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.
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CBSE 12-science - Physics
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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
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