The graph below shows stopping potential 'V' against frequency for a photocell. From the graph determine: (i) Threshold frequency (ii) Planck's constant (iii) Work function of the metal. 2-0 1-2 a-8 04 310 6-0 右 4.0 Frequency f (x1o“Hz)
Q: 1.2 m 0.2 m lculate the total moment vector (all three components) that force F = 35i + 726i - 937k ...
A: Concept: To determine The Moment of vector about Point A. Moment of vector about Point A can be calc...
Q: A 0.0331-kg bullet is fired vertically at 191 m/s into a 0.158-kg baseball that is initially at rest...
A: Given that,Mass of bullet :m1 =0.0331 (kg)Mass of bullet :m2 =0.158 (kg)Initial velocity of the bull...
Q: The two strands of the DNA molecule are held together by hydrogen bonds between base pairs.When an e...
A: This is an example where it is shown that how physics can be used in Biology. 4 charges are in a str...
Q: An d.c. asupply of 50H% is supplied to a seuies combinalion of 25UF capacity 0d Hlensy indualor f 94...
A: To find-(1) Reactance (2) ImpedanceGiven-f=50 HzC=25 μF=25×10-6 FL=0.1 HenryR=24 ohm
Q: Four particles A, B, and CD distributed over four energy levels 38= E3 28 = Ɛ2 Ɛ = E1, O = Ɛ0 is %3D...
A: The total energy of the system is 6ε. The four particles can arange in different energy levels to ma...
Q: A 10.0-kg box starts at rest and slides 3.5 m down a ramp inclined at an angle of 10 ° with the hori...
A: We have a simple question here. We have given initial velocity = 0. the total distance traveled by t...
Q: A A ray of light is incident on a water 4 surface of R. I.5, making an angle of 40° with 3 the surfa...
A: To Find: Angle of refraction (r) Given: <i=90°-40°=50°R.I of water (μwa)=43
Q: If the probability values for two variables are as follows: P(Y)=o.77, P(X)=0.38, then the value of ...
A: If X and Y are two independent events, then P(X∩Y)=P(X...
Q: 15. Draw a (111) plane in the unit cell of a cubic crystal. Find the directions that lie on this pl...
A:
Q: From the light and velocity curves of an eclipsing spectroscopic binary star system, it is determine...
A: Given, The radial velocity of stars A and B, vA=5.4km/svB=22.4km/s a. The ratio of stellar masses, m...
Q: A laser beam at a wavelength of 1.11 μm is coupled into an optic fiber, resulting in 138.2 mW of lig...
A: As light travels through a fiber, the light gets attenuated due to losses in the fiber. These attenu...
Q: The coil in the figure carries current i = 1.77 A in the direction indicated, is parallel to an xz p...
A: The given coil carries a current in the clockwise direction, with a magnitude of 1.77 A. This coil h...
Q: Swimmers at a water park have a choice of two frictionless water slides as shown in the figure. Alth...
A:
Q: Part B Which particle (if any) is negatively charged?
A:
Q: C. 83 milligrams = 8.3 x, grams d. 0.58 microwatt = 5.8 x watts State the following quantities in po...
A: Basic conversion from one unit to other unit.
Q: Problem 1: From the given set of concurrent forces shown in the figure, determine the Resultant forc...
A: The magnitude of the concurrent forces are given as: F=25 kN, P=10 kN, Q=20 kN, T=10 kN, and W=30 kN...
Q: What is the modal dispersion (time delay between the 'straight' and 'bouncing' paths) in nanoseconds...
A: Length of the optical fiber, L=25 km=25,000 m refractive index of core, ncore=1.515 refractive index...
Q: 5. Calculate the lengths of intercepts made by planes of Miller indices (111) and (123) in BaCl, cry...
A: Given a=6.69 Angstrom, b=10.86 Angstrom and c=7.15 Angstrom. We need to calculate the length of the ...
Q: Two point particles, one with charge +8 x 10-° C and the other with charge -2 x 10-º C, are separate...
A:
Q: In a CRT, after the electrons pass through the anode, they are moving in the z-direction at a speed ...
A: Given: Final Velocity component along z-axis,vz=8.40×106m/sInitial Velocity component along y-axis,u...
Q: Consider the specific example of a positive charge qqq moving in the +x direction with the local mag...
A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...
Q: 7. A planet of gravitational field g = 11.5 N/kg and a radius of 7000 km will have how much escape v...
A: Escape velocity is the minimum velocity required by an object to escape the gravitational field of p...
Q: What should be the change in the potential of a condenser if its energy is 4 times the initial energ...
A: To Find: Change in potential of condenser (V2) Given: W2 = 4 W1 W2W1=4
Q: Calculate the number of atoms per unit area in (100), (110) and (111) plane of a bcc crystal with th...
A: Solution:-Given thatPlane-(100), (110), (111)Lattice parameter (a)=2.5 A∘=2.5×10-10 mBCC crystalConc...
Q: Q. 31 : What will be the intensity due to infinity long conductor having linear charge density 4 uC/...
A: This question is from electrostatics I derived the formula and solved it
Q: Newton's equations of motion on electrons can be expressed as follows. (dv(t) m v(t) -eE dt Using Ne...
A:
Q: Homework Find eiga valus cnd eigen leets fer
A: The eigen values of the given matrix is to be evaluated B^=10000000-1The equation is given by(B^-λI)...
Q: An electron moves at 2.00 x 10 m/s through a Part A region in which there is a magnetic field of uns...
A: Electron velocity v = 2.00 × 106 m/s Magnetic field B = 7.40 × 10- 2 T
Q: A 0.282 kg mass is attached to a spring with a spring constant 197 N/m so that the mass is allowed t...
A: Given that,The mass : m = 0.282 (kg)The spring constant : k =197 (N/m)The compression of spring : ∆x...
Q: Two substances interacted and a chemical reaction occurred. What happened to the atoms and molecules...
A: A chemical reaction is a process in which two atoms or molecules or same or different types react to...
Q: Thermal energy is produced in a resistor at a rate of 134 W when the current is 4.00 A. What is the ...
A: Power produced P = 134 W Current I = 4.00 A
Q: If X is a random variable in the range 12x20, and its probability density is f(x)=k(x^4-2), then the...
A:
Q: Question C1 Figure below shows a shop sign supported by a uniform horizontal boom of length 3.4 m an...
A:
Q: 3. A solid copper sphere suspended from a string has a mass of 1.50 kg and a density of 8.92 x 10³ k...
A: Given: m=1.5kg, d=8.92×103kg/m3 (a) The tension in the string before the sphere is immersed in the w...
Q: Problem Set: Measurement A. 1. The process of comparing a property of an object to a well-defined an...
A: (A) 1. The process of comparing to well-defined and agreed-upon referent is called the process of .....
Q: 02: For Q-200MC 4.3,1) Find: Q
A: The magnitude of charge-Q is given as, Q=200 μC (or) Q=200×10-6 C. The position of charge-Q is given...
Q: 26. Show that in a cubic lattice the distance between the successive planes of indices (hkl) is give...
A:
Q: A car starting from rest attains a maximum speed of 100 kmph in 20 seconds. What will be its acceler...
A: acceleration is the rate of change of velocity. It is defined as a=dvdt For constant acceleration, i...
Q: A beam of protons traveling at 1.40 km/s enters a uniform magnetic field, traveling perpendicular to...
A: Answers to be fille in blank Magnetic field was found to be 1.35×10--3 tesla Or 1.35E-3 tesla if up...
Q: Problem Set: Measurement A. Select the best answer 1. The process of comparing a property of an obje...
A: As per the guidelines, we are trained to answer only the first three subparts of the question. Kindl...
Q: Problem: A 1-m diameter and 1.6-m height cylindrical drum is filled with a fluid whose density is 85...
A: The volume of a cylinder is given by V=πr2hr=radius of cylinderh=height radius = diameter / 2 1 m= 3...
Q: The diagram of Fig. 12.22 shows a plan view of a structure of cubic ZnS (zincblende) looking down th...
A: Given: Plane view of ZnS cubic structure. a=0.541 nm To find: a) Bravais lattice type b) Definition ...
Q: 22. Find the Miller indices of a plane that makes intercepts on a, b and c axes equal to 4A, 6Å and ...
A:
Q: A dog runs at 21 km/h [N] for 5.0 min, slows to a stop over a period of 8.0 s, sniffs at a tree for ...
A: The path covered by the dog is given below. Average velocity is given by v=total displacementtotal ...
Q: (a) A 20.0 V battery supplies 1.5 A to a 12.0 N resistor. Calculate the (1) teminal voltage of the b...
A: Given that,Voltage : EMF = 20 (V)Current : I = 1.5 (A)Resistance : R = 12 (Ohm)a : Here we need to f...
Q: A coin is thrown from a moving car. While it is in flight, it is not true that its speed changes acc...
A: Given that: A coil is thrown from a moving car.
Q: The 2-kg spool S fits loosely on the inclined rod for which the coefficient of static friction is 4 ...
A:
Q: What type of spectrum is produced when the light emitted directly from a hot, low-density cloud of g...
A:
Q: A rigid tank is divided into two compartments by a membrane. One compartment contains 22 kg of CO2 a...
A: Molecular weight of C02=44 KgAmount of CO2 present=22 kgNumber of moles of CO2 , nCO2=2244=0.5 Tempe...
Q: A hinge at A and a roller at B support the truss illustrated in the diagram below. At C, a load of 2...
A:
Step by step
Solved in 4 steps