In a photoelectric effect experiment, ultraviolet light of wavelength 320 nm falls on the photocathode with work function of 2.1 eV. The stopping potential should be close to a)1.8 V b 1.6 V ) c)2.2 V d 2.4 V

Q: Date: + e -Co S근 2.

A: i hope you are familiar with the euler's formuaeiz=cosz +i sinz......1if we replace i with…

Q: Which one to use

A: If you're asking where to post computer science questions, there are several options depending on…

Q: Problem 1: A horizontal force, F, = 65 N, and a force, F2 = 18.1 N acting at an angle of 0 to the…

A: We have to calculate the acceleration of the block.   Given :- The forces are F1=65 N , F2=18.1 N.…

Q: Please please solve accurate and give comprehensive explanation please it's important

A: Solution: The event this problem is referring to is most likely a Coronal Mass Ejection(CME).

Q: A tennis ball with a mass of 0.068 kg and a diameter of 0.077 m is dropped. The Cd is 0.5. Consider…

A: Consider the given data as below. Mass of tennis ball, m=0.068 kg Diameter of tennis ball, d=0.077 m…

Q: To answer the questions below, it may be useful to think of your friend's car driving on a level…

A: Part (a) Given: The length of spring on the surface of Earth is x1=8.2 cm. The length of spring…

Q: 559) See Fig 559. The curve is described by V(t)-Vm*cos (w*t+theta) + Vshift. Given V1-45 volts,…

A: Given:                   V(t)=Vmcos(ωt+θ)+VshiftV1 =45 voltsV2=-V1V3=7.8750 voltsT=2.500…

Q: Refractive index of glass with respect to medium is 4/3. If (v. - v₂) = 6.25 x 10' then velocity of…

A: We have to find the velocity of light in a medium Given that,   R.I. of glass w.r.t. medium μgm=43…

Q: An electric field of 170 x10-6 V/m is induced within the loop of long solenoid with cross sectional…

A: Given:-  The induced electric field E = 170 x 10-6 V/m. The cross-sectional area of the solenoid A =…

Q: 8. Determine the Magnitude of the Resultant Force acting on the Screw Eye and its direction measured…

A: Given data: The force in horizontal direction is F1=400 N. The force at θ=40° is F2=600 N.

Q: 4.144 Find the forces in members HC and HG in terms of P. P |-1.5 m--1.5 m--1.5 m- B D 1 m 2 m H. 3…

A:

Q: Problem 4: A toy car is rolling down the ramp as shown in the figure. The car's mass is m = 1.1 kg…

A:

Q: A snorkel is a U-shaped tube used to breathe with your head underwater (Leading from your mouth to…

A: The pressure difference at the height 'h' in a fluid is given as ∆P =ρghWhere ρ = density of the…

Q: A circuit has three resistors, 1200N, 2400N, and 4200N that are connected to a 12V battery in…

A:

Q: must be incident normally on the slit

A: Which of the following conditions must the light satisfy to obtain an observable double silt…

Q: another term for position is ___.

A: Position of an object is the place where it is situated. In physics, position is denoted by a number…

Q: 24. The maximum value of the AC voltage is 7V. What is the phase (in d the phasor at the moment the…

A:

Q: 38. When a 5-kilogram mass is lifted from the ground to a height of 10 meters, the gravitational…

A: when the object from its initial position is lifted by height h on earth then the gravitational…

Q: In the figure, a long straight wire carries a current i = 28.6 A and a rectangular loop carries…

A: The force between the two current carrying conductor carrying current is given by  F = μo4π2 i i'rL…

Q: 1.) A 30N force acts at a 40° angle from the horizontal on a 30kg block at rest on a perfectly…

A: Given, F=30 Nθ=400m=30 kgd=7.2 m

Q: A planet has an equatorial radius of 6.40 × 107 m and a mass of 5.00 × 1026 kg. (a) Compute the…

A:

Q: ve from the grou to the first excit

A: Find, the electric dipole moment to move from the ground state of rotation Y00 to the first excited…

Q: A charge Q is placed at the origin O(0, 0, 0) in vacuum. Calculate the potential at point (4, 4, 4)…

A:

Q: O Gc and K1c have different units and are related to each other by the tensile modulus. The relative…

A: The question contains 6 statements related to the "Introduction to Fracture Mechanics" where we need…

Q: Given the circuit below, find the equivalent resistance between a and 3Ω 2Ω 8Ω 12 Ω а 6Ω 4Ω d

A: The given configuration is shown below as

Q: 6. Ohm's Law says: a circuit, proportional, voltage, The current, in, directly, proportional, is,…

A: In this question we have to rearrange the statements given. Please give positive feedback if the…

Q: hello please help me find the answers on the blank

A: The work done by the constant force is given by                       W = F·SW = FS cosθ Since the…

Q: rge is half the final value. The c #.6 μF AUF

A: Given: Resistance is 720 Ohm Time is 10 ms t=10 ms=10×10-3st=0.01 s

Q: This answer is wrong. Please can someone redo this

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: 1.) An automobile has tires with a radius of 0.39m. Starting from rest, it moves in a straight line…

A: Radius R = 0.39 m Angular displacement θ = 285 radians     “Since you have posted a question with…

Q: rt (b) What is its acceleration in m/s once it starts to move, if that minimum force is maintained?

A: According to Newton second law  F = ma a = F/m

Q: (a) You displace the object from x = 0 to ₁ > 0, holding the object steady at the beginning and end.…

A:

Q: Question 1: What is the relationship between the Torque and the distance of the force from the axis…

A: 1. Torque is defined as a force applied to a point on an  object about the axis of rotation.  The…

Q: or

A: Given: Length of solenoids are 15 cm Number of turns are 350 Current is 4 A

Q: Carrier Statistics Example 3.4 In a silicon sample at equilibrium the Fermi level is located above…

A: Determine, The percentage ionization of the phosphorus atoms at T=300K

Q: 5. If you want to turn mechanical energy into electrical energy to power the lights in your home,…

A: To Do: Identify the correct device out of the given options for converting mechanical energy into…

Q: A syringe has a fine needle with an inside diameter of 97.9 µm. The barrel has a diameter of 2.76 cm…

A: Barrel diameter=2.76cm Force=4.08N

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: Em-e. An EM wave propagating in vacuum, with electric field amplitude Eo >0 and magnetic field…

A: We are given that an electromagnetic wave is propagating in a vacuum.Now the electric field E0>0…

Q: b) In a ball game, a boy aims to strike a 0.15 kg ball into hole C as shown in Figure Q1(b). The…

A:

Q: What are the signs of the charges in the configuration shown in the figure? A. Charges 1, 2, and 3…

A: Like charges repel each other and their electric field lines also repel each other . Unlike charges…

Q: Problem 9: Circular turns of radius r in a race track are often banked at an angle 0 to allow the…

A:

Q: The answer is wrong! The correct answer is 3.62. How do i get this answer

A:

Q: Problem 1: A horizontal force, F1 = 65 N, and a force, F2 = 18.1 N acting at an angle of 0 to the…

A: Given mass of the block is m = 4.4 kg and the forces acting on the block are F1 = 65 N and F2 = 18.1…

Q: The resistance of a resistor at 6 degrees Celsius is given as 21 ohms. Determine the resistance, in…

A: The resistance depends on the temperature depends on the following formula R = Ro (1+α∆T)  where, R…