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Newtons rings are observed in the reflected light of $\lambda = 6000 \mathring{A}$ Find the thickness of the air film corresponding to the $10^{th}$ dark ring.
engineering physics updated 4.0 years ago by teamques10 ★ 70k
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Calculate the total angular as well as linear width of the central maximum obtained on the screen placed at 1 m from the slits.
engineering physics updated 4.0 years ago by krithikkm200 • 10
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Will grating resolve the lines 8037.2 & 8037.5 $\mathring{A}$ in the $2^{nd}$ order?
engineering physics updated 4.0 years ago by krithikkm200 • 10
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Calculate$ \lambda$ if fringe separation is 0.25 cm. Also find the missing orders.
engineering physics updated 4.0 years ago by krithikkm200 • 10
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If angle of diffraction is $30^0$ calculate the grating element.
engineering physics updated 4.0 years ago by krithikkm200 • 10
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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 4.0 years ago by krithikkm200 • 10
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Determine the distance covered along the magnetic induction lines in five such revolutions.
engineering physics updated 4.0 years ago by krithikkm200 • 10
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Find the potential difference between the two regions.
engineering physics updated 4.0 years ago by krithikkm200 • 10
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State application of Hall effect
engineering physics updated 4.0 years ago by teamques10 ★ 70k
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Explain Young's Double Slit Experiment (YDSE)
engineering physics updated 4.0 years ago by phenjoisilab • 0
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A chord is used to lower vertically a block of mass $M$ a distance $d$ at a constant downward acceleration of $\displaystyle{\frac{g}{4}}$ .Then, what is the work done?
engineering physics updated 4.0 years ago by phenjoisilab • 0
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What are the properties of soft magnetic materials? Briefly explain one application.
engineering physics updated 4.1 years ago by krithikkm200 • 10
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Find the miller indices of a set of parallel panes which makes intercepts in the ratio 3a:4b on the x and y axes and parallel ti Z-axis
engineering physics updated 4.1 years ago by krithikkm200 • 10
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Find Miller Indices of a plane whose intercepts are a, 4a and a, where a is the lattice constant. Draw (102), (201] and (040) in a cubic unit cell.
advanced engineering physics engineering physics updated 4.1 years ago by krithikkm200 • 10
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State the acoustic requirements of good auditorium. Explain how these requirements can be achieved.
engineering physics updated 4.1 years ago by krithikkm200 • 10
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543
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Why soft magnetic materials are used in core of transformers?
engineering physics updated 4.1 years ago by krithikkm200 • 10
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What are soft and Hard magnetic materials ? State their properties and applications.
engineering physics updated 4.1 years ago by krithikkm200 • 10
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Define Reverberation time. Write Sabine's formula and explain terms in it.
engineering physics updated 4.1 years ago by krithikkm200 • 10
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Difference between soft and hard magnetic materials
engineering physics updated 4.1 years ago by krithikkm200 • 10
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Draw the unit cell of HCP. What is its co-ordination number, atomic radius, effective number of atoms per unit cell. Also calculate its packing factor .
engineering physics updated 4.1 years ago by krithikkm200 • 10
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Calculate the number of atoms per unit cell of a metal having lattice parameter 2.9A0 and density 7.87 gm/cm3. Atomic weight of metal is 55.85, Avagadro number is 6.023 x 1023 /gm-mole.
engineering physics updated 4.1 years ago by krithikkm200 • 10
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With neat diagram of a unit cell, explain the structure of BaTi03.
engineering physics updated 4.1 years ago by krithikkm200 • 10
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Find the following parameters for HCP structure (i) co-ordination No. (ii) Atomic Radius (iii) No of atoms per unit cell (iv) APF (v) c/a ratio.
engineering physics updated 4.1 years ago by krithikkm200 • 10
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862
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Define reverberation time ? State Sabine's formula and explain the terms involved in it?
engineering physics updated 4.1 years ago by krithikkm200 • 10
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Draw unit cell showing position of the atoms for: a) Monoatomic BCC crystal b) Monoatomic SC crystal c) CsCl crystal
engineering physics updated 4.1 years ago by krithikkm200 • 10
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