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7
votes
1
answer
12k
views
1
answer
Explain Young's Double Slit Experiment (YDSE)
engineering physics updated 2.7 years ago by sagarkolekar ★ 11k
10
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1
answer
131k
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1
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Derive the formula for angle of minimum deviation for the prism
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
6
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1
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43k
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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 2.7 years ago by pedsangini276 • 4.8k
6
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1
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65k
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1
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Explain the formation of barrier potential in P-N junction.
engineering physics updated 8.2 years ago by teamques10 ★ 67k
6
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1
answer
76k
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1
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Explain formation of energy bands in solids and explain classification on the basis of energy band theory.
engineering physics updated 2.7 years ago by sagarkolekar ★ 11k
9
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2
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68k
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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 2.7 years ago by pedsangini276 • 4.8k
4
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1
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2.4k
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1
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Derive the formula $E=mc^2$ from the standard equation of kinetic energy?
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
3
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1
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6.5k
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1
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Find the maximum value of RP a grating 3 cm wide & having 7000 lines/cm can have if a light of $\lambda$ = 5000 $\mathring{A}$ is used.
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
2
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1
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17k
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1
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In Newtons ring experiment, if observed in reflected light, is it possible to obtain bright spot at center? If a light of red color is used first and then a blue light, which set of rings would have
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
2
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1
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20k
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1
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What is magnetic circuit? Explain Ohm's law in case of magnetic circuit.
engineering physics updated 6.7 years ago by teamques10 ★ 67k
10
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1
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63k
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1
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What is piezoelectric effect? Explain the working of a piezoelectric oscillator used to produce ultrasound.
engineering physics updated 8.2 years ago by teamques10 ★ 67k
2
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1
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4.7k
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1
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Derive Bragg Law. Explain why X rays and not Y rays are used for structure analysis.What data about the crystal structure can be obtained from the X ray diffraction pattern of crystal
engineering physics updated 8.3 years ago by teamques10 ★ 67k
1
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1
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6.2k
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1
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Fermi Energy for silver is 5-5eV. Find out energy for which the probability of occupancy at 300 K is 0.9.
engineering physics updated 8.2 years ago by teamques10 ★ 67k
2
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1
answer
10k
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1
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Prove that in a ferromagnetic material, power loss per unit volume in a hysteresis cycle equals area under the hysteresis loop.
engineering physics updated 8.2 years ago by teamques10 ★ 67k
3
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1
answer
6.2k
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1
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A stick of mass density $\rho$ per unit length rests on a circle of radius $R$ which makes an angle $\theta$ with horizontal and tangent to the circle at its upper end. Find the friction between them?
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
5
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1
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42k
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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 24 months ago by sagarkolekar ★ 11k
8
votes
1
answer
80k
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1
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Explain with neat diagram construction and working of solar cell.
engineering physics updated 8.3 years ago by teamques10 ★ 67k
13
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1
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60k
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1
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What is Hall Effect? Derive expression for Hall voltage.
engineering physics updated 5.3 years ago by teamques10 ★ 67k
2
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1
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5.8k
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1
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What do you mean by group and phase velocity? Show that the de-Broglie group velocity associated with the wave packet is equal to the velocity of the particle.
engineering physics updated 4.5 years ago by teamques10 ★ 67k
1
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1
answer
10k
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1
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Explain piezoelectric oscillator to produce USW?
engineering physics updated 8.2 years ago by teamques10 ★ 67k
2
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1
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11k
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1
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What is the probability of an electron being thermally promoted to the conduction band in a diamond at $27^0 C$, if the band gap is 5.6 eV wide?
engineering physics updated 7.8 years ago by teamques10 ★ 67k
0
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1
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5.1k
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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 2.7 years ago by pedsangini276 • 4.8k
0
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1
answer
1.1k
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1
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If angle of diffraction is $30^0$ calculate the grating element.
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
3
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1
answer
11k
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1
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Calculate magnetic flux density and magnetization in copper.
engineering physics updated 11 months ago by sagarkolekar ★ 11k
0
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1
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1.6k
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1
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What are lissajous figures? How are they obtained?
engineering physics updated 2.8 years ago by pedsangini276 • 4.8k
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