Ex. 2: Find the maximum kinetic energy of electrons injected from a certain material if materials work function is 2.3 eV and frequency of the incident is 3.0 x 10¹5 Hz.
Q: Q3: A particle slides on the inside of a smooth vertical paraboloid of revolution = az Show that the…
A: Determine, Constant force F=α1+4r2a2-3/2
Q: The formula for center-tapped ideal full- wave rectifier is: O Vout=(Vp-sec/2)-0.7 O…
A:
Q: when seeing an object at large distance
A: Given as, Eα1at
Q: # Describe the laser ablation techniques Synthesis of nanoparticles?
A: We will explain the laser ablation process for nanoparticle synthesis.
Q: Calculate the mean free path of an electron having a mobility of 1000 cm²/V-s at 300 K; Assume m =…
A: Given,mobility μn=1000 cm2/V-sTemperature T=300 Kmn=0.26 m0
Q: A silicon wafer is doped with 5x1020 phosphorus atoms/m³. Calculate the hole concentrations after…
A: Given:intrinsic carrier concentration, ni = 1.5×1010 cm−3 =1.5×1010110−6 m3∴ni = 1.5×1016…
Q: You purchase a rectangular piece of metal that has dimensions 4.6 mm x 17.0 mm x 33.5 mm and mass…
A: Solution:-Given thatmass of metal (m)=10-2 kgdimensions=4.6 mm×17 mm×33.5 mm
Q: 4) (c) If the gas consists of diatomic molecules that rotate but do not vibrate, what are Cy and Cp?…
A:
Q: You purchase a rectangular piece of metal that has dimensions 4.6 mm x 17.0 mm x 33.5 mm and mass…
A: To find density of gold and we're we cheated or not
Q: vector, and find a. Why is S Re
A: The instantaneous pointing vector is given as, S(r,t) =E (r,t) x H (r ,t) The equation rewritten as,…
Q: Explain the reason for the change in X-ray diffraction (XRD) in different types of materials
A: XRD pattern is different for different materials such as gas, liquid, amorphous, single crystal and…
Q: The density and temperature higher than in the photosphere. in the solar corona are much (T/F)
A: The solar corona is the outermost layer of the Sun's atmosphere. It is not visible due to the bright…
Q: Sketch the following surface: (z+4)² + (y − 1)² = 1 a.) Draw the projection on a xy plane Show…
A: Answer is explained below with proper explanation.
Q: Show that critical velocity of a body revolving very close to the surface of a planet of radius 'R'…
A: To show that-VC=2RπρG3Given-Critical velocity of body orbiting in a circular orbit close to planet…
Q: A GaAs sample with no 10¹ cm3 is illuminated with light and 1015 electron-hole pairs/cm' an H…
A: Majority carriers are the most abundant carriers, while minority carriers are the least abundant.…
Q: values of the quantum nu. PR and F corresponds to/
A: The expression as, En=-13.6n2eV ..... (1)
Q: If you could redesign your society, what would you change
A:
Q: An aluminium (p = 2.7g/cm³) wire is suspended from the ceiling and hangs vertically. How long must…
A: Given that-Density of aluminium wire, ρ=2.7g/cm3Stress at upper end, σt= 8×107 N/m2We know…
Q: Show that Titan's surface gravity is about one-seventh that of Earth's.
A: Gravity is an attractive force. It exists between all objects that have a mass. The force of…
Q: Calculate the peak wavelength emitted by Sun if it was a blackbody.
A: Sun is the star located at the center of our solar system and belongs to the main sequence stars.…
Q: For a flux of D = ar, where Om < r < 6m, for the sphere. Find the following:find the following: a.…
A:
Q: A deflection bridge shown in figure below is used to measure an unknown Capacitance,Cu. The…
A:
Q: purchase a rectangular piece of metal that has dimensions 4.6 mm x 17.0 mm 3.5 mm and mass 1.00×10²…
A: To find the density of gold block in above question and match with real density of gold.
Q: The car is traveling at a speed of 64 mi/hr as it approaches point A. Beginning at A, the car…
A: Solution: Given that, VA=64 mi/hr=93.866 ft/sacceleration(a): A to B=-6.2 ft/s2…
Q: Consider a frictionless track as shown in the figure below. A block of mass m₁ = 5.30 kg is released…
A: The block of mass 5.3 kg is released from rest from the top of the track, at a height of 5 m from…
Q: In a certain biased limiter, the bias voltage is 5 V and the input is a 10 V peak sine wave. If the…
A: The Diode Clipper, also known as a Biased Limiter, is a wave shaping circuit that takes an input…
Q: 15. X-ray diffraction spectrum of ZnS nanoparticles is as follows. Estimate the size of nanoparticle…
A: To define the size of nanoparticles
Q: (b) A grindstone in the shape of a solid disk with diameter 0.520 m and a mass of 50.0 kg is…
A: Given that-d=0.520 mm=50 kgω0= 850 rev/minF=160 NInitial Angular velocity, ω0= 850…
Q: The formula Vdc=0.318Vm is O Half-wave average value O Full-wave dc value O Half-wave maximum value…
A: The rectifier is a device which changes the ac to fluctuating dc. They are mainly of 2 types. One is…
Q: A free particle has the initial wave function (.x, 0) = Ae-a.x² where A and a are constants (a is…
A: Given Initial wave function ψ x,0 = Ae-ax2 Where, A and a = constant
Q: Cable AB passes over the small ideal pulley C without a change in its tension. What length of cable…
A:
Q: Consider the nuclear reaction H+NX+B where X is a nuclide. What are Z and A for the nuclide X? VE…
A: Part(A) What are Z and A for the nuclide X. part(B) Calculate the reaction energy Q (in MeV) Given,…
Q: In the wire shown in (Figure 1) segment BC is an arc of a circle with radius 30.0 cm. and point P is…
A:
Q: Example 3 • A cable is made of two strands of different materials, A and B, and cross sections as…
A: The maximum tensile force that this cable can withstand. Given, For material A: K=70,000 psi,…
Q: An aluminium (p = 2.7g/cm³) wire is suspended from the ceiling and hangs vertically. How long must…
A: Given that-Density of aluminium wire, ρ=2.7g/cm3Stress at upper end, σt= 8×107 N/m2We know…
Q: 2. Astronauts in space (aboard the International Space Station, for instance) are effectively…
A: In space there is only vacuum, as a result of which no external forces are present in the vacuum of…
Q: 3. A soccer ball is kicked. At 1 sec., its height is 24 m. At 2 seconds, its height is 30 m. At 3…
A:
Q: A radial filed H 1 2.39.10° T cosa, A/m exists in free space. Find the Inductance if the flux…
A: Solution:- Given ; H→=2.39×106rcosϕar A/m The magnetic flux crossing the surface…
Q: Ex. 13: Calculate the number of molecules in one liter of gas at N.T.P., if mass of each molecules…
A: To find-No. of molecules (n)=?Given-Volume of a gas=1 lit=VTemperature of gas T=273 KMass of each…
Q: By how much does a 65.0 kg mountain climber stretch her 0.800 rope when she hangs 35.0 m below a…
A: Given that-Young's Modulus of nylon, Y= 1.35×109 PaLength of nylon rope, L0= 35.0 mDiameter of the…
Q: A metal rod 1 m long rotates about one end in the plane perpendicular to a uniform magnetic field of…
A:
Q: Ex. 20: Find the value of energy of electron in eV in the third Bohr orbit of hydrogen atom.…
A: To find-E3=?Given-R=1.097×107 m-1h=6.63×10-34 Jsc=3×108 m/sn=3
Q: A silicon wafer is doped with 5x1020 phosphorus atoms/m³. Calculate the hole concentrations after…
A:
Q: Consider a square crystal of side L x L consisting of a simple square lattice of divalent metal with…
A:
Q: A metal rod 1 m long rotates about one end in the plane perpendicular to a uniform magnetic field of…
A: Given : Length of the rod, l = 1 m Magnetic field induction, B = 0.38×10-4 Wb/m2 (or T) Because 1 T…
Q: Cu Assume that the crystal structure of metallic copper (Cu) results in a density of atoms p 8.46 ×…
A:
Q: Q1/ Select the right answer for the following question? F 1) the kinematics of a particle happened…
A: This is true. The kinematics of the particle happened when velocity of a particle is equal to the…
Q: The average value of a Full-wave rectified voltage with the input voltage=220v rms O 63.7 V O 127.2…
A: The main function of rectifier is to convert ac into a fluctuating dc. In a full wave rectifier, two…
Q: +8
A:
Q: Show that critical velocity of a body revolving very close to the surface of a planet of radius 'R'…
A: To show that-VC=2RπρG3Given-Critical velocity of body orbiting in a circular orbit close to planet…
Step by step
Solved in 2 steps with 2 images
