Photoelectric work function of a photo- sensitive material is 3 × 10-¹9 J. Calculate its threshold wavelength.
Q: A large electromagnet is made of a thin iron torus of radius r and permeability µ = 10³ μ are which…
A: An area surrounded by magnetic force is called the magnetic field. Magnetic fields can be generated…
Q: A 800-gram grinding wheel 28.5 cm in diameter is in the shape of a uniform solid disk. (We can…
A: Given that mass of the disk m = 800 gm = 0.8 kg wheel stops in time t = 41 s diameter of the disk…
Q: A tube open at both the ends has length 47 cm and its inner diameter is 5 cm. If the velocity of…
A: To find-Fundamental frequency (n)=?Given-l=47 cm=47×10-2 md=5 cm=5×10-2 mV=330 m/s
Q: 4. If a missile was launched from West Africa toward the North Pole, which direction (North, East,…
A: If a missile was launched from West Africa to North pole, it would be deflected towards East. If a…
Q: Explain why two parallel wires carrying currents in opposite directions repel each other.
A: When a current is passed through a conductor there is a magnetic field generated. This magnetic…
Q: = 2. Find an expression for v3 (³) for an ideal gas speed distribution particles with mass m at…
A:
Q: 나. ? 3 m 어야
A:
Q: You go to the gym to ride a stationary bicycle. The bicycle uses a large wheel to create resistance…
A: Torque is the measure of the force required to cause an object to rotate around an axis. Angular…
Q: 4. Calculate the inducatnce of a coil if the induced emf is -2 V when the current is increased from…
A: When there is a change in magnetic field through a conductor it induces an emf within the conductor.…
Q: Two small silver spheres, each with a mass of 10.0 g, are separated by 1.00 m. Calculate the…
A: Solution:-Given thatmass of silver spheres (m)=10 g=0.01 kgdistance between them (r)=1 mAttractive…
Q: Twin A makes a round trip at 0.6c to a star 18 light-years away, while twin B stays on the earth.…
A:
Q: 3. Point charges of 50nC each are located at A(2, 1, 0), B(-2, 1, 0), C(1, 2, 0), and D(1,-2, 0) in…
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: A category 4 hurricane comes on shore with wind speeds of approximately 61.8 m/s. Take the density…
A: Since you have been posted multiple questions. So, we are solving only first question for you. If…
Q: If the frequency of radiation is doubled then the relation between initial K.E. and new K.E. is, (a)…
A: To find-New (K.E.)2=?Given-Initial frequency=(v)New frequency=2vInitial K.E.=(K.E.)1
Q: Cart 1 and Cart 2 collide and stick together • Cart 1 with a mass of 0.210 kg moves to the left with…
A: Cart 1 mass is m1 = 0.210 kg Cart 2 mass is m2 = 0.465 kg Initial velocity of cart 1 is v1 = - 0.40…
Q: A measure of how much flux (lumens) is emitted within a small conical angle in a particular…
A: The strength of visible light generated by a light source or light fitting is measured in luminous…
Q: When physicians diagnose arterial blockages, they quote the reduction in flow rate. If the flow rate…
A:
Q: 2. Find the total force on 93 given that q₁ = +3.0 μC, 92 = +3.0 µC and q3 = -5.0 μC. 91 0.5 m 93…
A: Given data : q1 = + 3 micro coulomb q2 = +3 micro coulomb q3 = - 5 micro coulomb To find :…
Q: Determine the ratio between the number of coils in each spring if the deflection of the two springs…
A:
Q: if the force increases from 100N to 500N using: An analytical integration technique
A: Given: Applied force, F y=e^{F\cdot 10^{-3}}y=eF·10-3 To find: a) Work done force increases from 100…
Q: Q2/ if you want to lift a weight from the ground and it's weight is more than 10 kg, what are the…
A: Concept: Whenever we lift weights, We are using Newton's Second Law of Motion for explanation.…
Q: A distant star emits maximum intensity for wavelength 850 nm. What is its radiant intensity? 7.7 x…
A: 1) Given: The wavelength of the distant star is λ = 850 nm Wein's displacement constant value is b =…
Q: are located at points A and B, 2. . Take the speed of sound in air e perpendicular to the line…
A: Given as,
Q: Directions: Solve the following numbers and show your complete solutions. 1. Problem Solving Part-…
A: Given: The magnitude of the charge is q = 7 μC The length of the long side is 3 l The length of the…
Q: 1. Three charges are arranged as shown in the figure below. Find the magnitude and direction of the…
A: Solution:-Given that 1 nC=10-9 C
Q: A uniform electric field exists in a region of space containing no charges. What can you conclude…
A: A Gaussian surface is defined as a closed surface in a three-dimensional space that is closed.…
Q: A flux of 25 X10^5 Maxwell links with a 1500 turn coil when a current of 3 A passes through the…
A: Given,ϕ=25×105 WbN= 1500I= 3AA) Inductance, L=NϕlL= 1500×25×1053= 1250×106 HL= 1250×106H
Q: out higher frequency at a shorter wavelength.
A: Given as, Speed= 0.9c.
Q: In the figure, a 100-turn coil of radius 3.0 cm and resistance 5.0 is coaxial with a solenoid of 200…
A:
Q: 2)A fish is at y=1.5m depth (Fig.2). Calculate the apparent depth (y"). Assume that the angles 0 1…
A: Given data y=1.5 m Here, y is the depth of the fish. Now we have to find out the appraint depth of…
Q: 1. Two charges, Q₁ = 35 pC, Q₂ = -22 nC located along the x-axis and Q:=-18 mC along y-axis. The…
A: Note: Since we answer up to one question, the answer of the first question is done. Please resubmit…
Q: The Sun orbits the Milky Way galaxy once each 2.60 × 108 years, with a roughly circular orbit…
A: Given data r=3×104 Ly=2.84×1020 mT=2.6×108 Yr Here, r is the distance and T is the time period.…
Q: A small hole in a furnace acts like a blackbody. Its area is 1 cm2 and its temperature is the same…
A: Given, The area of the small hall is A=1cm2=10-4m2 And the temperature is T=1727oC=2000K The…
Q: If the mass experiment is found of emply pan in Melde's (mod, when (m₂) mass is kept in it, the…
A: To find-Mass of pan in terms of given quantities.Given-Mass of empty pan=m0Initially mass in…
Q: A coil with magnetic moment 1.44 A m² is oriented initially with its magnetic moment antiparallel to…
A:
Q: 14. A cancer patient received a gamma-ray dose of 0.1 Gy and a proton dose of 200 mGy. What was the…
A: Solution: The equivalent dose of the gamma-ray dose and the proton dose is given by the following…
Q: 9-10 What would you get if you mix M, Y, and C lights? 11-15 Consider an opaque body capable of…
A: Solution 9-10: It is known that Magenta absorbs greens, yellow absorbs blue and Cyan absorbs red.…
Q: In the figure shown, consider a long hollow cylindrical metal pipe of inner radius a and outer…
A: Given,inner radius=aouter radius =b
Q: A three-blade wind turbine, which spins perpendicularly to the ground, is set on a pole that is 38 m…
A:
Q: Q=+24µC 6.m 8 m
A:
Q: An alternating e.m.f. e = 100 sin 314 t is applied between the terminals of an electric bulb whose…
A: To find-(1) R.M.S. current,(2) Frequency of A.C.(3) Period of A.C.Given-e=100 sin 314 tR=1200 ohm
Q: A mixture of water (density =1000 kg/m3) and vapor flowing with a mass rate = 7 kg/sec in a pipe of…
A: Solution:-Given thatDensity of water (ρ)=1000 kg/m3mass flow rate of mixture (m)=7 kg/sGas fraction…
Q: How much energy is lost to a dissipative drag force if a 60-kg person falls at a constant speed for…
A: Given data : Mass of the person , m = 60 kg Distance, S = 15 meter Falls at constant speed To…
Q: Suppose that a mass of 216 g stretches a spring 5 cm. If the mass is set in motion from its…
A: Given: The mass of the object attached to the spring is m = 216 g The mass stretches the spring is y…
Q: determine the total power dissipated by the resistors
A: Ohms law is used for this relation.
Q: 2.77 A steel rod 3 ft long with a cross-sectional area of 0.3 in.2 is stretched between two fixed…
A:
Q: An electric power line (wire) carries a current of 1400 A in a location where the earths magnetic…
A: The answer should be in Newton's
Q: What does an increase of 3 dB indicate? O Doubling of power Halving of power A doubling or a halving…
A: Given data : Increase is of 3 dB To find : What does this increase represent (As per guidelines…
Q: A 793-g quantity of a substance is at its melting point of -109.7°C in the liquid state. The heat of…
A: Solution:-Given thatmass of substance (m)=793 g=0.793 kgMelting point of substance…
Q: To measure the resistance we must place the tips of the multimeter (red and black cable) parallel to…
A: The multi meter is a device most commonly used in the field of electricity to measure the…
Step by step
Solved in 3 steps
