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CBSE Class 12-science Answered

what is sustained interference??
Asked by | 06 Jun, 2008, 03:27: PM
Expert Answer

It just means that interference is visible for a slightly longer duration of time. it is not a technical term.

Answered by | 07 Jun, 2008, 09:39: AM

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CBSE 12-science - Physics
huygens wave theory ?
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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.
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CBSE 12-science - Physics
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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
Asked by arjunsah797 | 15 May, 2022, 01:18: PM
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CBSE 12-science - Physics
Please refer to the uploaded image for the doubt
Asked by arjunsah797 | 14 May, 2022, 01:34: PM
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CBSE 12-science - Physics
Two stars distant two light years are just resolved by a telescope. The diameter of the telescope lens is 0.25 m. If the wavelength of light used in 5000A0, then the minimum distance between the stars is
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CBSE 12-science - Physics
Deduce the theory of Fresnel Biprism for the determination of wavelength of monochromatic light .    
Asked by pramanikachyut33 | 30 Jun, 2021, 09:11: AM
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