In a solid, consider the energy level lying 1 eV below Fermi level. What is the probability of this level not being occupied by an electron at the room temperature?
Q: takes 2 seconds for a sound wave to travel between two fixed points when the day temperature is 10°C...
A: C
Q: at!), and the car is travelling at constant spee on in terms of v and r?
A: Given: A correct option among the given is shown as,
Q: A 110fC is placed inside a cube. What is the amount of electric flux passing through each side? Fol...
A: Given data q=110 C
Q: part d and e please
A: The situation can be shown as below,
Q: A child swinging on a swing stands up. Then the time period of the swing will ___________ a) Increas...
A: B
Q: Jane is doing an experiment to find out how the size of a bowl affects the growth of the goldfish li...
A: The correct answer will be A. That is Record the observation each day.
Q: 1. Describe the wind speed and air pressure in the different parts of a typhoon. 2. Describe the eff...
A: Introduction: A tropical cyclone is a generic term used by meteorologists to describe a rotating, or...
Q: Use Sketches, Diagrams and fundamental principles to reason your answer
A: Let m1 and m2 denote the masses of the two cars, v1 and v2 denote the speed of the cars. Consider th...
Q: The volume of an auditorium is 12,000m3. Its reverberation time is 1.5 seconds. If the average absor...
A: B
Q: Silicone material at 10^18(cm^3) has an n-type additive and a 10ohm resistance. The sample area is 1...
A: Volume of the sample ,V=1018 cm3 Resistance of the sample, R=10 ohm Sample area,A=10-6 cm2 mobility,...
Q: Find Z-transform for the following
A: Given: Z{2 cos [0.2π(n-1)]u(n)}
Q: travelling wave in a stretched string is described by the equation y = Asin(kx-ωt). The maximum part...
A: Answer
Q: If wave y=Acos(ωt+kx) Is moving along x-axis, the shapes of a pulse at t=0 and t=2s. a) Are differen...
A:
Q: If the frequency of oscillation of a particle doing simple harmonic motion is n, the frequency of ki...
A: Given information: The frequency of the simple harmonic motion = n Let us consider an equation simpl...
Q: From the slope .008783, determine the value of the permittivity of free space εo and determine the p...
A:
Q: For which cases did you determine that the flux was equal to the flux in case #1?
A: Flux for negative charge will be incoming and flux for positive charge will be outgoing.
Q: Advanced Physics Question
A: Mass is the amount of matter in an object while weight is the force exerted on the object by the gra...
Q: A 150-N pull T is applied to a cord, which is wound securely around the inner hub of the drum. Deter...
A: Given information: The magnitude of of the pull force (T) = 150 N The inner radius of the drum (ri) ...
Q: The steam supply to an engine comprises two streams which mix before entering the engine. One stream...
A: Solution: Given Values, w11=0.01 kg/sh11=2950 KJ/Kgv11=20 m/sw12=0.1 kg/sh12=2665 KJ/Kgv12=120 m...
Q: They're all correct except the one on the bottom left that is incorrect. I need to explain this some...
A: From the given graph it is clear that the velocity of the object is constant. Therefore kinetic ener...
Q: When applying the loop rule, what do you get when you cross a circuit element that has resistance? A...
A:
Q: As students are conducting an investigation of simple circuits, they notice that when they add addit...
A: Given A setup with 1.5 W bulb and batteries.
Q: A spring 40mm long is stretched by the acceleration of a force. If 10N force is required to stretch ...
A: D
Q: What are the parameters affecting the solubility of gases in liquids?
A: Henry's law says that the solubility of a gas in a liquid is proportional to the partial pressure of...
Q: don't worry the question speaks the following: Determine the spring constant of spring, if at the po...
A:
Q: A particle on the trough of a wave at any instant will come to the mean position after a time (T=tim...
A: B
Q: The time period of a simple pendulum on a satellite, orbiting around the earth, is ___________ a) In...
A: A
Q: Consider a germanium orystal. Calculate the number of the quantum states per om and the energy level...
A: Explanation: formulae to find the electron in the conduction BAND n=Nc.e-(Ec-EF)KT it is valid for ...
Q: Consider two capacitors. One is air-filled, consisting of two parallel plates a = 0.6 cm on a side,...
A: The capacitance of a parallel plate capacitor filled with medium of permittivity ε is given by, Cpp=...
Q: Give an example situation that is being described from the motion diagram
A: Given: The motion diagram is: Introduction: Gravity is a force that attracts a body towards the cen...
Q: If a simple pendulum oscillates with amplitude of 50mm and time period of 2s, then its maximum veloc...
A: Concept used: Velocity of pendulum is maximum at mean position.
Q: When the system shown is released from rest, block A requires a velocity of 2 m/s after moving 1m up...
A: (a) Let T be defined as the force exerted by the rope on each block. Therefore, T=2m1m2m1+m2g
Q: Find the charge on each of the capacitors in the figure below.
A: The 1 μF and 5 μF are connected in parallel.So the equivalence capacitance is, C1=1 μF+5 μF=6 μF The...
Q: The displacement of particles in a string stretched in the x-direction is represented by y. Among th...
A: Given:The displacement of particles in a string stretched in the x-direction is represented by y.f...
Q: A charge emanates an electric field of 84N/C. If this field is placed on a circular surface with a r...
A: Given: Electric field E=84 NC-1 Radius of the circular surface R=66 μm=66×10-6 m Angle between the e...
Q: If the metal bob of a simple pendulum is replaced by a wooden bob, then its time period will _______...
A: D
Q: Q3: List the important wavelengths from cosmic rays to radio rays?
A: Cosmic rays are of very high energy, with least wavelength, starting from it, the table will end to ...
Q: An organ pipe P1 closed at one end of vibrating in its first harmonic and another pipe P2 open at bo...
A: C
Q: A very long cylinder of radius 2b with a co-axial cylindrical hole of radius b. (Co-axial means the ...
A: According to Gauss' law for electrostatics, the net electric flux going through a closed surface is ...
Q: The bob of the pendulum moves faster at the lowest position for a larger amplitude. a) True b) False
A: A
Q: Two functions are shown below. f(x) = 2x g(x) =x2 +3x-3 For what positive integer values of x is f(x...
A: Solution: Given Expression is as follows: f(x)=2xg(x)=x2+3x-3
Q: My bathroom scales read in kilograms, meaning that, if I put a mass m on top of them, in mechanical ...
A: Given: The force applied to the scale is F = 85 N
Q: Describe the electrostatic force between the following charged particles Two electron: repulsive o...
A:
Q: The graph shows the time dependence of the vertical displacement of a lead ball with marked initial ...
A: Displacement time graph of lead ball is given with y representing either up or down.
Q: The composition of two simple harmonic motions of equal periods at the right angle to each other and...
A: C
Q: Length of a string tied to two rigid supports is 40cm. Maximum length (wavelength in cm) of a statio...
A: B
Q: Two simple pendulums of lengths 5m and 20m respectively are given small linear displacement in one d...
A: Given, length of pendulum,l1=5mlength of pendulum,l2=20mExpression Usedv=12gl v1=12gl1-----(A)v2=12...
Q: Please help with attached problem
A: Part(a) Gravity is causing the blocks to move, workgravity=Fnet.∆x=30 g-sin 40° 20 g0.2 m=33.6 J Par...
Q: If equation of a sound wave is y=0.0015sin(62.8x+314t) Then its wavelength will be __________ a) 0....
A: Consider the general equation of a sound wave, y = Asinkx + ωt where, A is the amplitude of the wave...
In a solid, consider the energy level lying 1 eV below Fermi level. What is the probability of this level not being occupied by an electron at the room temperature?
Step by step
Solved in 2 steps with 2 images
