• A beam of light with intensity of 3mW and a wavelength of 742 nm is striking a solar cell. Estimate the number of photons incident on the cell.
Q: Consider two sources of disturbances, each generating an electromagnetic wave of same frequeno f = 4...
A: Given electromagnetic waves are in vacuum, hence they will have speed equal to speed of light. From ...
Q: Biove +五 请2m
A:
Q: Part A A7.0 g ice cube at -10 °C is in a rigid, sealed container from which all the air has been eva...
A: Solution attached in the photo
Q: Calculate the kinetic energy of 10 gram of Argon molecules at 127°C.[Universal gas constant. R = 832...
A: To find- K.E. for 10 g of Argon=? Given- T=1270C=127+273=400 K R=8320 J/k mole K. Mo=40
Q: A 0.10 kilogram model rocket's engine is designed to deliver an impulse of 6.0 newton seconds. If th...
A: Given Rocket mass (m) = 0.10 kg Impulse (J) = 6.0 Newton seconds Time ∆t = 0.75 s...
Q: Determine change of entropy for a reaction: H2(g) + I2(g) → 2HI(g) Substance S° (J/mol.K) H2(g) 12(g...
A: Change in entropy for the given reaction is found by : H2+I2→2HI ∆S°=No. of moles×Product Entropy-N...
Q: sorbed molecule. Solve the probler e partition function of the system. nolecules.]
A: In N absorbed gas molecule, the partition function as, In N molecule, the arrangements as,
Q: Describe the Observable Universe carefully and in details.
A: The observable universe is a ball-shaped region of the universe that contains all matter that can be...
Q: If 16,000 cal of heat are added to 50 g of water initially had a temperature of 10°C, what is the fi...
A: Given: The mass of the water is m = 50 g The heat given to the water is Q = 16000 cal The initial te...
Q: 1. Two traffic signals are attached to the 36 ft support cable at equal intervals as shown. Determin...
A: Draw the free body diagram as below. Draw the diagram as below. ∑Fx=0 -TAB cosα+TBC cosβ=0 ...
Q: At 20∘C, the hole in an aluminum ring is 2.400 cm in diameter. You need to slip this ring over a ste...
A: Given: αAL=23×10-6K-1, αS=12×10-6K-1, LAL=2.4 cm, LS=2.406cm Using the concept of linear expansion, ...
Q: Find the electrostatic potential inside a tube of infinite length along the axis z and whose cross s...
A: Given, In the hollow rectangular pipe, the side length of the pipe is "a" the cross-sectional area i...
Q: The process of emittance of solar radiation from the sun is a result: Of fusion of four protons of o...
A: Solution:-Given thatProcess of emittance of solar radiation from Sun
Q: . A cylindrical disc has 0.8 cm diameter and 1 cm thickness. A cylindrical cavity is made at the cen...
A: Given, Disc diameter, d=0.8×10-2m Disc thickness, t=1×10-2m Cavity diameter, D=0.2×10-2m Cavity thic...
Q: (Q2) A cell of mass (M) is moving upwards A corona virus of mass (m) is attached to it and a negligi...
A: Given:
Q: 2015
A: To find- Energy per unit volume=? Given- d=1×10-3 mr=0.5×10-3 mr=5×10-4 mF=20 NY=2×1011 N/m2
Q: 11) Joe uses 400 Newtons of force to raise an object to a height of 10 meters with help from a ladde...
A: From the work energy theorem we can say that Gain in potential energy of an ibject is equal to work ...
Q: Q1: Bar AB has the angular motions shown in Figure 1. Determine the velocity and acceleration of the...
A: Concept: To Determine the velocity at slider C vC→=vB→+ωBc→×rC→here,vB→=Velocity of Point B in Vecto...
Q: (Q1) A corona virus with a mass (m) jumped from an infected cell to an uninfected cell at an angle w...
A: Given, Mass of the coronavirus is m. According to the question, it jumps from the infected cell to t...
Q: (Q1) A corona virus with a mass (m) jumped from an infected cell to an uninfected cell at an angle w...
A: According to the question, a coronavirus first infects one cell after this it jumps from another uni...
Q: the conseculive haumonics of an aie column closed at one end aue 405 tfx. and st5tfe uespeclively Fi...
A: To find- Fundamental frequency (n0). Given- Consecutive harmonics for a pipe closed at one end are b...
Q: Problem 12: Captain Jack Sparrow has been marooned on an island in the Atlantic by his crew, and dec...
A: Given:displacement vector 1, d1→ = 11kn to east, d1→ = 11 i^ kmdislacement vector 2, d2→ = 14.5 km a...
Q: Gallium has an atomic number of 31 and a shows the number of protons, neutrons, and electrons in a g...
A: We know that:-Number of protons= Atomic numberhere, Atomic number=31Number of protons=31Whereas,Mass...
Q: A particle executing linear S.H.M. has velocities vị and v2 at distances x1 and x2 respectively from...
A: The velocity of the particle in SHM is found by : v=ωA2-x2Here, A is the amplitude. The velocities ...
Q: 189 of oxygen occupy 0-025 m³ a7°C. # the uniuysal Fond pressure exouled by it CMoleulau wuight of o...
A: To find- Pressure exerted (P)=? Given- Mass of gas (M)=16 gm=16×10-3 kg Volume of gas (V)=0.025 m3 T...
Q: A 1200 kg car is moving with a velocity of 25 m/s. Find its kinetic energy.
A: Given that:- Mass of the car, m=1200 kg Velocity, v=25 m/s We know that:- kinetic energy=12mv2 E...
Q: Which one below is not true for Frenkel and Schottky defects in ionic solids? Schottky defect Frenke...
A:
Q: 4. A positive charge 1 (+3.0 x 10- C) with a mass of 2.00 kg is released from rest at a height of 20...
A: Given: The magnitude of each positive charge is q=3×10-4 C. The mass of the charge is m=2 kg. The i...
Q: osmology, Why these are important and How we can measure them precisely?
A: 5- In the given question basically it was asked that what are observables in cosmology means in univ...
Q: A along in positive direction with a constant speed vo. At t=0, the mass passes through the origin a...
A:
Q: A 50 kg girl wearing high heel shoes balances on a single heel of diameter 1.0 cm. Calculate the pre...
A:
Q: A 9,300-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are loc...
A: Given that,Mass of the truck : m1 = 9300 (kg)Mass of the car : m2 = 1000 (kg)After collision, they m...
Q: The gravitational force between two electrons that are 1.00 m apart is 5.54 x 10^-71 N. Find the mas...
A: Concept: The Formula to determine the gravitational Force is given by F=Gm2r2Here,G=Proportionality ...
Q: A 50 kg girl wearing high heel shoes balances on a single heel of diameter 1.0 cm. Calculate the pre...
A: The pressure(P) exerted by the heel on the floor. given, mass of girlm=50 kgdiameter of heeld=1.0 cm...
Q: 8. Electron travelling though two horizontal plates In the diagram P1 and P2 are two parallel horizo...
A: Given, The separation between P1 and P2 plates is d=8.7mm=8.7×10-3m The potential difference between...
Q: A 1200 kg car is moving with a velocity of 25 m/s. Find its kinetic energy.
A:
Q: A particle executing linear S.H.M. has velocities vị and v2 at distances X1 and x2 respectively from...
A: Because they are so prevalent, oscillations of a system in which the net force can be characterised ...
Q: A ray of light traveling water is incident on an interface with a flat piece of glass. The wavelengt...
A: Here, λw=726 nmλG=544 nmθ1 =56°
Q: The magnetic flux through a 100 turn coil changes from 0.0273 Tm² to 0 in 0.824 s. What emf is induc...
A: Given Data The number of turn of coil is:N=100 turns The change in magnetic flux is:dφ=0.0273 Tm2-0...
Q: Part A An insulated beaker with negligible mass contains lquid water with a mess of 0.295 kg and a t...
A: The mass of the liquid water is given as, mw=0.295 kg, The initial temperature of the liquid water i...
Q: What is the time constant of an RC circuit that contains two resistors connected in series with a si...
A: Consider two resistors are connected in series with a capacitor
Q: Part A An experiment measures the temperature of a 400 g substance while steadily supplying heat to ...
A:
Q: A "happy ball" was dropped from an initial height of 1m as it bounced back up to a maximum height of...
A: Solution attached in the photo
Q: Analytical mchenics www ww ww A particle with mass m in a vertical plane moves on a circle of radius...
A: The potential energy of a particle is given as : Vθ=-mgRcos2θ+12kR22cosθ-12∂V(θ)∂θ=2mgRsin2θ-2kR22c...
Q: Prove that the free energy of a semi-classical ideal gas is given by the following relationship F = ...
A:
Q: A certain material has a dielectric permittivity eo and magnetic permeability 3µ0- An electromagneti...
A: The dielectric permittivity of the material is given as, ε=52εo. The magnetic permeability of the ma...
Q: The accompanying figure shows known flow rates of hydro- carbons into and out of a network of pipes ...
A: Linear equations are characterized as equations containing multiple variables but with the power of ...
Q: Find the number of molecules in 1 cm of oxygen at N. T. P. If mass of oxygen molecule is 52.8 x10-27...
A: The rms velocity is directly proportional to the square root of temperature, while the square root o...
Q: In a building, there are 15 bulbs of 45 W, 15 bulbs of 100 W, 15 small fans of and 2 heaters of 1kW....
A: Given that:-15 bulbs of 45Watt15 bulbs of 100Watt15 small fans of 10Watt2 heaters of 1kWThe voltage ...
Q: In the full winding, the value of the middle is (A =110 and B = 011) when * D = 0, bo = 0 d = 0, bo ...
A: The complete subtractor is a combinational circuit that subtracts three input bits: the minuend, sub...
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