Light of frequency 7.21 x 10“ Hz is incident on a metal surface. Electrons with a maximum speed of 6.0 x 105 m/s are ejected from the surface. What is the threshold frequency for photoemission of electrons?
Q: Determine the time constant of the circuit R=3KQ and C=20µF connected in series O 0.006s 0.6s 6s 0.0...
A: Given: R=3×103Ω, C=20×10-6F The time constant of the series RC circuit is given by : τc=RC=3×103×...
Q: Determine the time constant of the circuit R1-150KQ, R2-50KN. C1=4uF and C2-1µF connected in series ...
A: As resistors are in series we have to calculate equivalent resistance of both resistors. Similarly, ...
Q: If the voltage across the capacitor is constant, then the current passing through it is O 1 -1 O inf...
A: Given If the voltage across the capacitor is constant, then the current passing through it is, as fo...
Q: B5
A: Radiations are forms of energies that travel from one place to another by means of electromagnetic w...
Q: A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. The ...
A: We have been provided data- Length of wire, L=3 cm=0.03 m Current flowing in the wire, I=10 A Magnet...
Q: O The charges being carried by each plate of the capacitor are equal in magnitude but opposite in po...
A: In case of fully charged capacitors, current through the circuit is zero, as potential difference ac...
Q: In an LC oscillator, the inductance of the inductor is 2.0 H and the capacitance of the capacitor is...
A: When the capacitor has no charge, q=0 C then maximum current (Imax ) will be obtained. The standard ...
Q: pls answer with solution thank you
A:
Q: None
A: A. Given, A→=iq+3j+kB→=iq+qj+2k The vector A→ and B→ is perpendicular, A→.B→=0
Q: From the system below, determine absolute Moment about point O. (absolute value only) * 60 N 20 0.25...
A: Moment of force is the force required in the rotational movement or that force which is responsible ...
Q: Fresnel reflection with n2 > nị is used to create an imaging mirror. Using Fermat's principle, show ...
A: Let A=(x1,y1) B=x2,y2 A=-d,hB=(d,h) The function of mirror shape it is y=f(x). Let any arbitrary poi...
Q: B9
A: The number of turns in the coil is given as, N=5 The major axis of the ellipse is given as, a=L=39.5...
Q: What wavelength of light is shining on a metal with work function ?=2.8??, if the stopping potential...
A: The work function for a metal is given as, ϕ=2.8 eV The stopping potential for the metal is given as...
Q: A child (32 kg) jumps up and down on a trampoline. The trampoline exerts a spring restoring force on...
A: Given that,Mass of the child (m) = 32 (kg)Initial and final velocity = 0The spring constant (k) = 50...
Q: What are the four experiments being conducted on the Large Hadron Collider and what are their tasks?
A: The Large Hadron Collider (LHC) is the most powerful and largest particle accelerator in the world. ...
Q: Please provide Handwritten answer mass of 35 kg, and he pulls with a force of 75 N. b. What force wo...
A: In this case, a parallel force is applied to pull the luggage cart having some mass. We need to calc...
Q: In an experiment to determine the thermal conductivity of a new metal alloy, a bar of the metal is c...
A: Thermal Conductivity of a material is defined as the ability of that material to conduct heat. It is...
Q: An electron and a proton are fixed at a separation distance of 997 nm. Find the magnitude E and the ...
A: Distance between electron and proton is D = 997 nm = 997 × 10- 9 m Magnitude of charge on electron ...
Q: A woman is 1.6 m tall and has a mass of 55 kg. She moves past an observer with the direction of the ...
A: Given that, The height of the woman is 1.6 m. The mass of the women is 55 kg. The value of the rel...
Q: of 140 Hz. Assume the air density to be constant at p= 1.20 kg/m³. (a) Calculate the intensity of th...
A: The sound level in dB is given by the formula β(dB)=10log10IIo where Io=10-12W/m2 which is the thres...
Q: Given the illustration below, a ball is thrown of A with Vo-25 ft/s and e=0.90 at A. Compute the dis...
A: The initial velocity of the ball is given as, vo=25 ft/s The height at which the ball thrown is give...
Q: Derive Roynold's Model Law
A: Reynold model law states that when the viscous force or any other damping force dominates over the i...
Q: A/an 8-milligram, 3-millicoulomb charge is fired to a uniform magnetic field via a 290-volt potentia...
A: The magnitude of the magnetic field(B). given, mass of the particle, m=8 mg=8×10-6 kg charge, q=3×1...
Q: Help me with Proper explanation, Thanks in Advance
A: To answer: The net dipole moment. The magnitude of the torque.
Q: A parallel plate electrode system is separated by a distance of 0.6 cm. When a voltage of 11 kV is a...
A: The initial distance between the parallel plate is given as, x1=0.6 cm The initial voltage is given ...
Q: Hi there I hope that you will be able to assist me in answering this problem. All the information ...
A: Force is a word that is utilized in ordinary language to mean a wide range of things, however in phy...
Q: A photodiode with an energy gap of 2.35eV. It operates at 300 K and if it is illuminated by the ligh...
A: Solution: The maximum wavelength for which the photodiode work can be given by the following express...
Q: A man weighing 400N climbs up a ladder 5 meters long. The ladder initially rests against a frictionl...
A: Given: Weight of man, W=400 N Length of ladder, L=5 m Angle of inclination, θ=58° Coefficient of Sta...
Q: A 1:6 scale model automobile is tested in a wind tunnel in the same air properties as the prototype....
A: We have, Model Fm = 300 N Prototype Vp = 50 km/h...
Q: A 10 kg Teflon object on a level surface has a coefficient of static friction and kinetic friction o...
A: Given information: The mass of the box (m) = 10 kg The coefficient of friction (μ) = 0.4 The force t...
Q: What is the magnitude of the rpm (revolution per minute) of a speck of clay on the edge of a potter’...
A: Given that, velocity = 1.56 m/s angular acceleration a R=4.8 m/s 2 . Let, the radius of the wheel...
Q: A 12 pF capacitor is connected to a 50V battery. How much electrostatic energy is stored in the capa...
A: Given data-Capacitor of the capacitance, C=12 pF=12×10-12FPotential difference, V=50 V
Q: If the voltage across the capacitor is constant, then the current passing through it is -1 O infinit...
A: Ans is- 0
Q: B3
A: m1 = 5 kg m2 = 9 kg m3 = 3 kg
Q: Define the Gibbs Factor ?
A: In statistical mechanics we deal we the energy of a reservoir and the exchange of particles. The pro...
Q: Which of the following is true regarding the relationship of the potential energy stored in a capaci...
A: The potential energy stored in a capacitor is given by Where C = Capacitance V = Potential diffe...
Q: Three capacitors each of capacitance 9 pF are connected in series. (a) What is the total capacitance...
A: We have been given that- three capacitors each of capacitance 9 pF are connected in series.
Q: Consider the two-dimensional Cartesian plane. Two conductors are placed at x = 2 m and x = 7 m, resp...
A: In this case, there are two conductors are placed. The direction of the current on the both conducto...
Q: A negligibly small current is passed through a wire of length 15 m and uniform cross- section 6.0 x ...
A: We have known information as-Length of the wire, l=15 mArea of cross-section of the wire, a=6.0×10-7...
Q: 1. Enter the data from the chart, construct a graph of BL (T) vs x (cm). A. Describe the relationsh...
A: Solution: As per the given data,
Q: When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and o...
A: Given: The inner surface temperature=21.80 C Outside surface temperature=18.60C Area = 2.66 m2 Thick...
Q: The force per unit length a conductor exerts on another conductor: The distance between the two cond...
A: Concept used: There is a magnetic effect of current carrying conductors. The force between two curre...
Q: B7
A: Acceleration due to gravity: The acceleration induced by the force acting on a body owing to the ear...
Q: Coefficient of absorption of a body is 0.54 and coefficient of reflection is 0.16.The amount of heat...
A: We have given data, a = 0.54, r = 0.16 ; Q = 4000 J t = ? So, we have to find the...
Q: A conducting wire 20 cm long bent into rectangular loop 6 cm × 4 cm is placed (kept) perpendicular t...
A: We have given information as- A1=24 cm2=24×10-4 m2A2=25×10-4 m2B1=0.5 TB2=1 Tdt=0.1 s
Q: 1 2 3
A:
Q: Which of the following statements is true? O Charges moving in uniform deceleration generate a stati...
A: A static magnetic field is produced by a charge moving with a constant velocity as explained by Maxw...
Q: A piece of purple plastic is charged with 8.61 × 106 extra electrons compared to its neutral state. ...
A:
Q: Complete the following table. Show your complete solution for each unit. Express the answer with the...
A: Given, Resistance, R1=25ΩR2=15ΩR3=10Ω And voltage across battery is, VT=10V Since for the parallel ...
Q: Answer 1 please
A: Ampere's circuital law states that the line integral of the magnetic field around any closed loop is...
Step by step
Solved in 2 steps