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CBSE Class 12-science Answered

A slit is illuminated by a light of wavelength 6000 Å .How much will be the slit width for which the (i) first maximum will  fall at an angle of diffraction of 300 ?(ii)first minimum will  fall at an angle of diffraction of 300 ?
Asked by Topperlearning User | 13 Jun, 2014, 08:19: AM
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Answered by | 13 Jun, 2014, 10:19: AM

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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
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
Please refer to the uploaded image for the doubt
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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
Asked by sirib942254 | 04 Aug, 2021, 08:30: PM
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CBSE 12-science - Physics
Physics 
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Asked by ramdasiyogesh2001 | 12 Mar, 2021, 12:47: AM
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CBSE 12-science - Physics
three identical polaroids P1 P2 and P3 are oriented so that passes axis of P2 and P3 are incline at angle of 60° 90° effectively with the passes access a monochromatic source S and police light of intensity I note is kept in front of the proceeds p.m. as shown in figure determine the intensity of light is observed by the observed when polyps P3 is rotated with respect to P2 at angle theta
Asked by dsdeepak487 | 27 Feb, 2020, 06:06: PM
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CBSE 12-science - Physics
Two polarizers are placed at crossed position (i.e. having an angle of 90 between them ), a third polarizer making an angle  with the first one is placed between them. An unpolarized light of intensity I0 is incident on the first oneand passes through all the three polarizers. Find the light intensity of the emergent beam.
Asked by Abhineet | 26 Nov, 2019, 02:04: AM
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CBSE 12-science - Physics
A parallel beam of light of wavelength 5900 Å falls normally on a plane transmission grating having 4250 lines/cm. Find the angle of diffraction for maximum intensity in first order.
Asked by Abhineet | 26 Nov, 2019, 02:03: AM
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CBSE 12-science - Physics
Explain diffraction of light due to single slit ,derive secondary Maxima and minima?
Asked by vanshrathod71 | 30 Jan, 2019, 12:38: PM
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CBSE 12-science - Physics
Why does light appear to travel in a straight line in spite of its wave nature?
Asked by Topperlearning User | 13 Jun, 2014, 07:29: AM
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