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4
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3.4k
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4
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Explain the absorption coefficient of a hall. Calculate the change in intensity level when the intensity of sound increases 1000 times its original intensity.
engineering physics updated 7.8 years ago by teamques10 ★ 64k
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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 2.3 years ago by pedsangini276 • 4.7k
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What are nano materials? Mention two reasons why properties of materials differ at the nano scale.
engineering physics updated 2.5 years ago by DevarenjiniP • 3.1k
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Find the work done in moving a particle in a force field given by \[\bar{F}=3xy\ \hat{i}-5z\hat{j}+10x\hat{k}\] along the curve x=t2+1, y=2t2, z=t3 from t=1 to t=2
engineering physics updated 2.5 years ago by Munna9493 • 100
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Write three distinct differences between ionic and oriental polarization.
engineering physics updated 2.2 years ago by iharshvardhan2827 • 20
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Voltage Regulators
engineering physics updated 2.5 years ago by rajattiwari785 • 40
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710
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Crystal oscilator
engineering physics updated 2.5 years ago by kunalpathare1119 • 260
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Piezo electric effect and its application.
engineering physics updated 2.5 years ago by Dhiraj_sharma • 40
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7.1k
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A uniform metal disc of radius $R$ is taken and out of it a disc of diameter $\displaystyle\frac{R}{2}$ is cut-off from the end. Find the center of mass of remaining part?
engineering physics updated 2.5 years ago by kunalpathare1119 • 260
2
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Calculate magnetic flux density and magnetization in copper.
engineering physics updated 6 months ago by sagarkolekar ★ 11k
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1
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39k
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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 2.3 years ago by pedsangini276 • 4.7k
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A grating has 10000 lines/cm & its total width is 5 cm. Calculate for $\lambda$ = 6000$\mathring{A}$ in the 2nd order its RP & the smallest difference in $\lambda$ which can be just resolved.
engineering physics updated 2.3 years ago by pedsangini276 • 4.7k
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Would you expect these lines to be distinguished by the grating in the $1^{st}$ order?
engineering physics updated 2.3 years ago by pedsangini276 • 4.7k
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4.5k
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1
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Calculate the film thickness if the incidence angle is $Sin^{-1}(4/5)$.
engineering physics updated 2.3 years ago by pedsangini276 • 4.7k
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1
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1
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The resolving power (RP) of a diffraction grating is given by $\lambda /d\lambda$ = nN.
engineering physics updated 2.3 years ago by pedsangini276 • 4.7k
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1.7k
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White light (400 nm <$\lambda$< 700 nm) is normally incident on a grating. Show that the $2^{nd}$& $3^{rd}$ order spectra always overlap irrespective of the grating element.
engineering physics updated 2.3 years ago by pedsangini276 • 4.7k
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Will grating resolve the lines 8037.2 & 8037.5 $\mathring{A}$ in the $2^{nd}$ order?
engineering physics updated 2.3 years ago by pedsangini276 • 4.7k
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4.6k
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1
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Calculate$ \lambda$ if fringe separation is 0.25 cm. Also find the missing orders.
engineering physics updated 2.3 years ago by pedsangini276 • 4.7k
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If angle of diffraction is $30^0$ calculate the grating element.
engineering physics updated 2.3 years ago by pedsangini276 • 4.7k
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1.7k
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1
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If the electron beam is accelerated by a potential difference of 2500V under the defecting voltage of 200V, calculate beam speed, the deflection factor of the tube & beam deflection on the screen.
engineering physics updated 2.3 years ago by pedsangini276 • 4.7k
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1
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1.3k
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1
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Find the potential difference between the two regions.
engineering physics updated 2.3 years ago by pedsangini276 • 4.7k
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1
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1.2k
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1
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What is Hall effect ? Derive expression for Hall voltage.
engineering physics updated 2.4 years ago by pedsangini276 • 4.7k
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1
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1.4k
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1
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What are lissajous figures? How are they obtained?
engineering physics updated 2.4 years ago by pedsangini276 • 4.7k
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427
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How Lissajous figure are used to determine phase difference?
advanced engineering physics engineering physics updated 2.4 years ago by pedsangini276 • 4.7k
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1.1k
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State application of Hall effect
engineering physics updated 2.3 years ago by teamques10 ★ 64k
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