A hypothetical monovalent metal consists of a simple cubic lattice of atoms of spac- ing a. (i) Show that the radius of the Fermi sphere is given by kr = 3.09 a- when using free electron theory. (ii) Calculate the distance of closest approach of the Fermi sphere to the Brillouin zone boundary.

Q: The spacing of ruled lines on a diffraction grating is 1,638 nm. The grating is illuminated at…

A: Given data d=1638 nmλ1=700 nmλ2=391.6 nm Here d is the spacing between the lines. While λ is the…

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Q: N. O a. 7.94 N Ob.-10.09 N

A: Given: Force is 8.3 N Angle is 17o Direction is counter-clockwise

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Q: at 150 Hz?

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Q: Q2. Determine the magnitude and the coordinate direction angles of the resultant force. z 75 lb 25 7…

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Q: FRICTIONLESS Find the acceleration of m2, in m/s? , if ml = 1.1 kg ,and m2= 80.8 kg M2

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Q: What is the acceleration of g

A: Answer              14.62 m/s2

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A: Given When to athletes pull a rope in tug of war with a force of 450 N and what is the resultant…

Q: F m A teacher moves a 13.3 kg desk across the room by applying a 190 N force at an upward 35 ° angle…

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Q: 6. Consider the system shown in the figure. Block A weighs 45.0 N and block B weighs 25.ON. Once…

A: Given data: Weight of block A ( WA )= 45 N Weight of block B ( WB )  = 25 N Weight of cat Wcat = 45…

Q: ion to

A: Given: Equation to apply n2=εr To find the reason behind light travel in a curved path and physical…

Q: Assume the surfaces are frictionless, m1 is 6.3 kg, m2 is 11.9 kg, and the angle is 35 degrees.…

A: Let's assume the system is accelerating with a. And tension in the string is T. Then the forces…

Q: 4) Is the radiation emitted by a grey body lower or higher than that of a black body? Why? 5) How…

A: 4) The radiation emitted by a grey body is lower than that of a black body as the emissive power of…

Q: Question 1: For each of the statements below, please identify which are True and which are False. If…

A: Solution:Part(a) True:The kirchhaff's loop rule states that thealgebraic sum of the changes in the…

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Q: Two forces are applied to an object as shown. Using F = 23.N, ¢1 = 46°, F2 = 42_N, and o, = 21°m,…

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Q: A block with mass of 5.0 kg is held in equilibrium (zero net force) on an incline of an angle of θ =…

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Q: A block weighing 200N is supported by three as shown. Find tension T2. 60° T2 T3 w Select one: а.…

A: weight of block = 200 N

Q: 5- If F = 40 N and M 15 kg, what is the tension in the string connecting M and 2M? Assume that all…

A: For mass 2M, From Newton's second law, we have          -F + T = 2Ma Where T is tension and a is…

Q: The circuit in the figure below has been connected for a long time. Let R, = 8.20 Q and R,= 5.40 0.…

A: Given,R1=8.20 ohmR2=5.40 ohmV=10VC=1 μF

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Q: 3. A 0.so kg football is thrown from a height of J.8m with an Lattial velo of 15m [ 34 ] (34° above…

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Q: 5) A 750 gr block is fastened to a spring with a spring constant of 145 N/m and then pulled 25 cm…

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A: Given that,Initial velocity : u = 3 (m/sec)Acceleration : a = -g = -9.8 (m/sec2)Time : t = 2…

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Q: Consider the pulley below where m2> mı. Show that the acceleration and tension in the string are m2…

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Q: In Bragg Diffraction Experiment, the receiver should be at an angle of (20) because: Select one The…

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Q: 65.0 N 30 30.0 N- 20 20.0 N What is the magnitude of the resultant of these three forces? a. 27.0 N…

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