Is it possible for the phonon dispersion relations of a solid to contain acoustic modes only? Justify your answer.
Q: PROVE THAT FOR PARALLEL LIGHT RAYS INCIDENT ON A FILM WITH THICKNESS t. AT AN ANGLE D: THE OPTICAL…
A:
Q: Q. 3. (i) How many electrons must be added to one plate and removed from other so as to store 25.0 J…
A: To store 25.0 J of energy in a 5.0 nF parallel plate capacitor, we need to calculate the number of…
Q: A very small sphere of mass 80 g having a charge q is held at a height of 9 m vertically above the…
A: Here both electric and gravitational potential energies are changing, and for an external point, a…
Q: 1. A network of resistors is connected to a 16 V battery with internal resistance of 1 , as shown in…
A: We are aware that a 16 V battery with a 1 ohm internal resistance is linked to a network of…
Q: A bar magnet of length 0.1 m has a pa Calculate the magnetic field at distance on (a) its axial line…
A:
Q: Technetium has a physical half life of 6 hours and a biologic half life of 24 hours. If 10 mCi is…
A: 34. Given: Physical half life,Tp=6 hours Biologic half life,Tb=24 hours N0=10 mCi t = 10 am to 10 pm…
Q: A parallel plate capacitor of capacitance 200 ul connected to a battery of 200 V. A dielectric s of…
A:
Q: The relativistic mass The relativistic energy The event horizon Time dilation An…
A: Answer: The correct option is Event Horizon. Relativistic Mass, relativistic energy and time…
Q: NASA would send a satellite to the planet Jupiter. To use the least fuel, the satellite would travel…
A: Given:radius of earth's orbit, rE = 1 AU radius of Jupiter's orbit, rJ = 5.2 AUhere the reference is…
Q: Use the definition of Avogadro's number to find the average mass of a phosphorus atom. kg
A: Concept: The mass of 1 mole of a substance is considered to be its molar mass. The Avogadro's…
Q: The electric field E, at one face of a parallelopiped is uni- form over the entire face and is…
A:
Q: The belt around the pulley, which weighs 60 lb and has a radius of gyration of 10", has tensions…
A: Given Data: The weight of the pulley is wp=60 lb. The radius of gyration is k=10". The radius of the…
Q: Problem 2: A red ball with a velocity of +3.0 m/s collides head-on with a yellow ball of equal mass…
A:
Q: The magnetic flux linked with a coil (in Wb) is given by the equation : = 5t² + 3t + 16. The induced…
A: We are aware that the equation ϕ=5t2+3t+16 gives the magnetic flux associated with a coil
Q: The density of platinum is 2.2 x 10¹ kg/m³. Determine the mass m of a cube of platinum that is 4.0…
A: Given: The given density of the platinum is ρ=2.2×104 Kg/m3. Then the given size dimension is , 4.0…
Q: A particle moving from zero to infinity is associated with a function psi=exp(-2x/a). Calculate the…
A:
Q: and A hollow conducting sphere of inner radius r1 outer radius 12 has a charge Q on its surface. A…
A: We are aware that the surface of a hollow, conducting sphere with inner radius r1 and outer radius…
Q: For a magnetizing field of inter 280 K acquires intensity of ma Find the susceptibility of…
A:
Q: Describe, using words , how the Law of Conservation of Energy applies to a ball that…
A: The ball was at rest, then due to gravity it rolls down a smooth friction less surface and then it…
Q: What is the current in the 5.00 2 resistor in the circuit shown in the figure?
A: Given:the circuit diagram with Resistors as marked in the circuit diagram given belowAsked:a.…
Q: Hi! My professor wrote this but I dont really understand why the angle was not really the 30…
A: We are given dimensions of the rectangular loop. We hence find the area of loop. We are also given…
Q: 5. Two objects were dropped from the same height with an interval of one second. If there is no air…
A:
Q: Three identical very small 50-kg masses are held at the corners of an equilateral triangle, 0.30 m…
A: Given: In this question, the given details are, Three identical very small 50 kg masses are held at…
Q: Problem 10: At time t=0 s, a wheel has an angular displacement of zero radians and an angular…
A: Equations of motions for constant angular acceleration: Let θ, ωo,ω be the angular displacement,…
Q: Calculate the de Broglie wavelength associated with the electron in the 2nd excited state of…
A: The de Broglie wavelength of the electron in the second excited state of the hydrogen atom must be…
Q: Compute the de Broglie wavelength of the following: (a) A 1000-kg automobile traveling at 100 m/s…
A: We have to find de Broglie wavelength for given situations. de Broglie wavelength = hp h is…
Q: A hydrogen atom is in the n = 55 state. (b) Calculate the change in energy for a transition from the…
A:
Q: A ball of mass, m = 0.054 kg has a horizontal INCOMING velocity of 46.5 m/s and rebounus off a wall…
A: Given: m=0.054kg Change in velocity (ΔV)=87.7m/s t=0.012sec
Q: In the given circuit, with steady current, calculate the potential difference across the capacitor…
A: We are aware that in a circuit with a constant current, we must determine the potential difference…
Q: A non-conducting sphere of radius R = 5 cm has its center at the origin O of coordinate system as…
A: Given data : Radius of sphere, R = 5cm = 5×10-2m Radius of cavity, r = 1cm = 1×10-2m Density, p =…
Q: The hydrogen atom was initially at the state where n=3 and l=2. It then decays to a lower state…
A: We are given a hydrogen atom. We are given initial state. It decays to lower state. We find out…
Q: he bar magnet is flipped over and the south pole is
A: 1. When the south pole brought near the steel ball , the ball is still attracted towards the magenet…
Q: Cross-section view of a prism is triangle ABC in the figure. deviation is observed using this p…
A:
Q: The speed of ultrasound in human tissue is about 1500 m/s. (a) What is the wavelength (in mm) of…
A:
Q: A conducting sphere S₁ of radius r is at- tached to an insulating handle. Another conducting sphere…
A:
Q: - Four charges +q, −9, +q and −g are placed in order on the four consecutive corners of a square of…
A: Given 4 charges +q, -q, +q, and -q are placed on 4 consecutive corners of a square of side a. As…
Q: on a wire is increased slowly from 1 kg wt to 2 kg wt the elongation increases from 0.2 mm to 0.3…
A: We need to compute-Work done (W)=?The data given as-Initial load (M1)=1 kg wtFinal load (M2)=2 kg…
Q: If the Sun's distance were three times its current distance, the "surface brightness" (apparent…
A: Distance is increased by 3 times That means r= 3R R is the initial distance
Q: For a given elextic material, the Eastic Modulus E is 210 GPa and its Poission's Ratio is 0.27. What…
A: Given elastic material has, Modulus of elasticity, E = 210 GPa Poisson's ratio, μ=0.27 Modulus of…
Q: Two friends are having a conversation. Anna says a satellite in orbit is in free tall because the…
A: In this question we have to determine weather the satellite present in the orbit is in free fall or…
Q: Two circular loops of radii 0.05 and 0.09 m, respectively, are put such that their axes coincide and…
A:
Q: Fig. shows three concentric thin spherical shells A, B and C of radii R, 2R and 3 R. The shell B is…
A:
Q: Heat flows into 1kg of ice at 0°C, melting it, then warming the liquid up to 100°C, then boiling the…
A: Given, Mass of ice, m=1kg The temperature when ice melting starts, T1=0°C The temperature when…
Q: iv) Three 0.5 N pulling forces are applied from a common point with one on the +x axis. If the angle…
A: We are given 3 forces. Each force is of same magnitude. First vector is along x axis. Other 2 are at…
Q: Do you feel yourself thro to either side when you negotiate a curve that is ideally banked for your…
A: We have to determine the direction of force exerted by the car seat.
Q: A 600-keV X-ray beam is being shielded by a block of Tungsten (density = 19.3 g/cm3). How thick must…
A: We are given X ray passing through tungsten. We are given the final intensity in terms of initial…
Q: The material of a rubber balloon has a Poisson's ratio of 0.5. If uniform pressure is applied to…
A: Given: The material of a rubber balloon has a Poisson's ratio of 0.5. The uniform pressure is…
Q: An emf of 96.0 mV is induced in the windings of a coil when the current in a nearby coil is…
A:
Q: Derive the capacitance of a spherical capacitor with inner sphere of radius a and outer sphere of…
A: We are given 2 concentric spheres. We are given radius of inner sphere and radius of outer sphere.…
Q: The current density inside a long, solid, cylindrical wire of radius a=4.8 mm is in the direction of…
A: Solution:-Given thata=4.8 mm=0.0048 mJ=Jora where Jo=290 A/m2
Step by step
Solved in 3 steps
