Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Question1
Suppose that for some process the cross section for absorption of a certain wavelength photon is 10^-16 cm2, and the density of H is 1 g/cm^3.
(a) Assume we have a cylinder that is 1 m long and has an end area of 1 cm^2. What is total absorption cross section? How does this compare with the area of the end?
(b) What is an absorption coefficient (per unit length)?
(c) What is mean free path?
(d) How long a sample of material is needed to produce an optical depth of unity?
Question2
The total impedance of an RC circuit with a resistance of 200 Ω is 1060 Ω. If frequency of the applied voltage is 20.0 Hz, what is value of the capacitance in this circuit? A) 6.64 μF
B) 7.64 μF
C) 8.64 μF
D) 9.64 μF
E) 200 μF
Question3
A magnetic field is perpendicular to a 0.060-m x 0.080-m rectangular coil of wire that has 120 turns. In a time of 0.040 s, an average emf of magnitude 1.4 V is induced in the coil. What is magnitude of the change in the magnetic field?
A 12.6 V battery (assuiming the internal resistance = 0) is connected to two resistors in series. What is the resistance of each resistor
An ac series circuit has an impedance of 178 ? , and the phase angle between the current and the voltage of the generator is ? = -74°, find the capacitive reactance XC or the inductive reactance XL, whichever is appropriate
A person with a weight of 241 lb stands on two feet with their weight equally distributed between the two shoes, What is the pressure on each shoe independently
A point charge +q of mass m, (m,+q) is placed at point P along the x-axis where V_r(infinity) is known. Find the expression for the new velocity at the second point
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. What is the length of the rotating string
An iron-core solenoid is 43cm long and 1.7cm in diameter, and has 720 turns of wire. What is the permeability %u03BC at this high field strength
A .30-06 rifle fires a bullet with a mass of 10 g at a velocity of 800 m/s. If the rifle has a mass of 4 kg, what is its recoil speed
Two traveling sinusoidal waves are described by the wave functions, What is the amplitude of the resultant wave, What is the frequency of the resultant wave
An RLC circuit with R = 20.4? , L = 355mH , and C = 48.8?F is connected to an ac generator with an rms voltage of 21V, Determine the average power delivered to this circuit when the frequency of the generator is twice the resonance frequency
a 1.00 x 10^4 kg railroad car is rolling at 6 meters per sec. What is the cars speed just after gravel is loaded
You have a 77.7-cm-long copper rod with a rectangular cross section of dimensions 5.75 cm by 8.13 cm. Find the heat current through the rod
The ferromagnet gadolinium has a Curie temperature of 298 K and each atom has J=7/2 and g=2. Find the value of the molecular field at low temperatures
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd