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neeta.vanage

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  • 121
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Top contributions by neeta.vanage

5
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2
answers
45k
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2
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Obtain the condition for maxima and minima due to interference in a wedge shape film observed in reflected light. How is the interference pattern in wedge shaped film?
engineering physics updated 3 months ago by pedsangini276 • 4.2k
2
votes
1
answer
26k
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1
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A diffraction grating have 4000 lines per cm is illuminated normally by light of wavelength 5000 $\mathring{A}$. Calculate its dispersive power in third order spectrum.
engineering physics updated 3 months ago by pedsangini276 • 4.2k
4
votes
1
answer
25k
views
1
answer
What is Hologram? Explain the construction and reconstruction of Hologram. How is holography different than photography.
engineering physics updated 3 months ago by pedsangini276 • 4.2k
0
votes
1
answer
23k
views
1
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Obtain an expression for fringe width in the interference pattern of wedge shape film. How this phenomenon is used to determine thickness of thin paper.
engineering physics updated 3 months ago by pedsangini276 • 4.2k
0
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1
answer
22k
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1
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Define dispersive power of a grating. write an expression for dispersive power of grating.
engineering physics updated 3 months ago by pedsangini276 • 4.2k
5
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1
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18k
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1
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In the Newtons ring experiment, determine the diameter of the $20^{th}$ ring if the diameters of the $4^{th}$& $12^{th}$ rings are 0.4 & 0.7 cm respectively.
engineering physics updated 3 months ago by pedsangini276 • 4.2k
1
vote
1
answer
17k
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1
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What is V number? What is its significance. Distinguish between single mode and multimode fiber?
engineering physics updated 3 months ago by pedsangini276 • 4.2k
2
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1
answer
13k
views
1
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Explain absorption, spontaneous and stimulated emission of radiation. Discuss Einsteins coefficient and derive the relation between them?
engineering physics updated 3 months ago by pedsangini276 • 4.2k
1
vote
1
answer
13k
views
1
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Obtain the expression for the n th dark ring in Newton`s ring experiment. Hence explain a Suitable way to calculate refractive index of a liquid using same set up.
engineering physics updated 3 months ago by pedsangini276 • 4.2k
0
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1
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12k
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1
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How many orders will be observed by grating having 4000 lines/cm, if it is illuminated by light of wavelength in the range 5000 to 7500 $\mathring{A}$?
engineering physics updated 3 months ago by pedsangini276 • 4.2k
1
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4.4k
views
1
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A: A diffraction grating have 4000 lines per cm is illuminated normally by light of
updated 4.2 years ago by mananbothra • 100
2
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3.7k
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2
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A: In the Newtons ring experiment, determine the diameter of the $20^{th}$ ring if
updated 4.1 years ago by yashbeer ★ 10k
2
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3.1k
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2
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A: Fringes of equal thickness are observed in a thin glass wedge of RI = 1.52. Calc
updated 4.2 years ago by mananbothra • 100
3
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3
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A: Obtain the condition for maxima and minima due to interference in a wedge shape
updated 4.3 years ago by neeta.vanage • 500
0
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2.5k
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0
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A: How many orders will be observed by grating having 4000 lines/cm, if it is illum
updated 4.2 years ago by mananbothra • 100
0
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2.3k
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0
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A: Obtain an expression for fringe width in the interference pattern of wedge shape
updated 4.1 years ago by yashbeer ★ 10k
0
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2.3k
views
0
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A: Define dispersive power of a grating. write an expression for dispersive power o
updated 4.3 years ago by neeta.vanage • 500
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1.9k
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0
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A: Calculate the numerical aperture (NA) & hence the acceptance angle for an optica
updated 4.3 years ago by saurabhsingh • 40
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1.5k
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A: What will be effect on diffraction pattern of grating if i) the number of line
updated 4.3 years ago by neeta.vanage • 500
2
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1.5k
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2
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A: White light falls normally on a soap film of thickness $5 \times 10^{-5}$ cm & o
updated 4.2 years ago by mananbothra • 100

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created 100 posts

created 50 posts within first three months of joining

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