If the root mean square value (r.m.s.) of an alternating voltage in 240 V. What is its peak value?
Q: Advanced Physics what is 14.4. The Langevin theory of the Brownian motion?
A: Langevin Theory of the Brownian motion : The theory of Brownian motion is the simplest approximate…
Q: Construct a triangle and classify it using the sides and angles. Use tick marks to indicate angles…
A: We have to construct the different types of triangles. On the basis of interior angle, triangles…
Q: Briefly explain the inadequacies of classical physics and their remedies on the photoelectric effect
A: (a) The inadequacies of Classical physics. (b) Their remedies on the photoelectric effect.
Q: Ex. 16 The wheel with 10 metallic spokes each of 0.5 m long rotated with a speed of 120 r.p.m. in a…
A: To find-Induced emf (e)=?Given-(B)=3.5×105 wb/m2No. of revolutions per minute (n)=120r.p.s…
Q: Ex. 9: The horizontal telegraph wire 100 m long, oriented along magnetic east west falls freely…
A: To find-Induced emf (e)=?Given-Length of wire (l)=100 mVelocity (V)=20 cm/s=20×10-2 m/s
Q: Q.22: If the frequency of radiation is doubled then the relation between initial K.E. and new K.E.…
A: The new frequency is twice the initial frequency. ν2=2ν1
Q: Calculate energy of the electron in the fifth Bohr orbit of H-atom.
A: To find-Energy of electron in 5th orbitGiven-n=5
Q: A particle moves at displacement x=In(2t+4) meters, where t is in seconds. Determine the velocity of…
A: Given :- Displacement of particle x=In(2t+4) we need velocity at t=3 seconds. We know that…
Q: An audio amplifier, represented by the AC source and resistor in the figure below, delivers to the…
A: Given that-Amplitude of voltage= 16 VoltResistance, R=72 ΩResistance of speaker, r=10.4 ΩHere, both…
Q: A straight conductor moves with uniform velocity of 10 m/s at right angles to the magnetic field of…
A: To find-Length of conductor (l)=?Given-V=10 m/sB=0.6×10-4 Wb/m2e=3×10-4 V
Q: Energy of photon is 5 eV. Find the frequency and wavelength of radiation (h, C and 1 eV are given).
A: Given-E=5 eV=5×1.6×10-19E=8×10-19 Jh=6.63×10-34 J-sc=3×108 m/sTo find-Frequency (v)=?Wavelength…
Q: More massive stars form more rapidly. (T/F)
A: Stars are formed from the interstellar medium. The interstellar medium contains hydrogen and helium…
Q: A copper sphere has surface area 3.142 x 102 m² and its emissivity is 0.0187. Find the energy lost…
A: To find-Energy lost by sphere dQdt=?Given-A=3.142×10-2 m2e=0.0187σ=5.67×10-8 W/m2 0K4T=100+273=373…
Q: Ex 40: Calculate the longest wavelength of incident radiation, which will eject electrons from a…
A: To find-Longest wavelength λ0=?Given-Photoelectric work functionW0 =6 eVW0=6×1.6×10-19J
Q: Suppose a 14 cm diameter conducting sphere, surrounded by air, has 1.1 C of excess charge on it.…
A: Part(a) Calculate the electric field strength near the surface of the conducting sphere. Part(b)…
Q: The stopping potential of a photoelectric diode is 8 volts. e/m = 1.8 × 10¹¹ C kg ¹, then what is…
A: To find-Velocity=?Given-Stopping potential (Vs)=9 Vem=1.8×1011 C/kg
Q: What is the luminosity of a star having three times the radius of the Sun and a surface temperature…
A: The luminosity of a star is a measure of the total amount of energy that is radiated by a star per…
Q: A sinusoidal voltage Av (75.0 V)sin(1300) is applied to a series RLC circuit with L 10.0 mH,…
A:
Q: Ex. 1: The energy required to remove electron from sodium is 2.3 eV. Does sodium show photoelectric…
A: To find-Whether the photoelectric effect is observed or not?Given-Photoelectric work function…
Q: been Cathode rays which have accelerated by a potential difference of 1000 volt enter in mutually…
A: To find-(1) em(2) Speed of electronsGiven-P.D.=1000 VE=20 V/cm=2×103 V/mB=10-4 Tesla
Q: A star is observed at a distance of 90 pc. What will be its parallax angle?
A: Parallax is defined as the change in the apparent position of an object due to a change in the…
Q: The capacitance of capacity 0.4 µF is connected to an alternating e.m.f. of 100 cycles. What is the…
A: To find-The capacitive reactance (XC)=?Given-Capacity of capacitor (C)=0.4 μF=0.4×10-6 FFrequency of…
Q: You have been asked by the police to find one of the three locations the Acute Perps gang is likely…
A: The coordinates for the given triangle areA(6,3), B(6,-3) and C(-2,-3), respectively.Let us…
Q: When a voltage of 200 volt is applied across an inductance coil a current of 20 mA passes through…
A: TO find-(XL)=?Given-Erms=200 VIrms=20 mA=20×10-3 A
Q: B) Calculate the reflection coefficient of the cavity reflectors for semiconductor laser with 500μm…
A: Given,L=500μmα=820/mgth=3000/m
Q: Calculate the reflection coefficient of the cavity reflectors for semiconductor laser with 500μm…
A: Given,L=500 μmα=820/mgth=3000/m
Q: If the Sun were magically to turn into a black hole of the same mass, (a) Earth would start to…
A: A black hole is formed when a massive star with a mass 10 times that of the Sun dies. The…
Q: 5. Write equations for the alpha and gamma decay of the foll 92
A:
Q: A circular coil of 100 turns and diameter 24 cm is rotated continuously in a uniform magnetic field…
A: Given-n=100d=24 cm=24×10-2 mr=12×10-2 mB=3.6×10-4Tω=5π rad/sωt=θ =900-300=600To find-e0=?e=?
Q: A driver traveling north slows down from 35.4m / s to 0m/s in 8.6 seconds. What is the magnitude of…
A: Solution:-Given thatInitial speed (u)=35.4 m/sFinal speed (v)=0 m/stime (t)=8.6 s
Q: In throttling process, (a) the enthalpy remains constant (c) Gibbs' free energy remains constant (b)…
A:
Q: The longest wavelength of incident light that can eject can eject photo-electrons from platinum is…
A: To find-Work function in eV (W)=?Given-λ0=1980 A0h=6.6×10-34 Js
Q: We wish to send a satellite from earth, which is 1.50x10 m from the center of the sun, to the…
A: (a) The length of semi major axis of an ellipse The distance between earth and center of sun is…
Q: Ex. 2: Find the maximum kinetic energy of electrons injected from a certain material if materials…
A: To find-Maximum K.E.=?Given-Photoelectric work function (W0)=2.3 eV…
Q: 1.4 Assuming that C₁ Cos (wot) and C₂ Sin (wot) in 1.2 are two independent solutions of the SHO…
A: Given,Independent solutions of the SHO,x1(t)=C1 cos(ω0t)x2(t)=C2 sin(ω0t)
Q: An electron performs uniform circular motion in a region of magnetic field of induction 2 x 10-3…
A: To find-Linear momentum of electron (P)=/Given-Magnetic induction (B)=2×10-3 wb/m2Radius (r)=1…
Q: A block of mass M-6.10 kg, at rest on a horizontal frictionless table, is attached to a rigid…
A:
Q: When an electron is accelerated from rést to potential V, the final velocity of electron is (a) (c)…
A: To find-Velocity of electron=?Given-Electron is accelerated from rest to potentia (V)
Q: A 50 cycle A.C. Supply is supplied to circuit inductance of 4 fl impedance having an and resistanc…
A: AC circuit problem.
Q: U04
A: We have-Temperature, T= 200°C=473 KWe know that-Internal Energy, Einternal=∑iKi¯+Ui¯where, Ki¯ is…
Q: The height of the Washington Monument is measured to be 170.00 m on a day when the temperature is…
A: Given that-The height of the washington Monument is 170.00mWhen the temperature is…
Q: P6
A: Given that-Capacitance, C=1.05μF=1.05×10-6 FV=41.0 VoltInductance, L=9.0mHCharge stored in the…
Q: Ex. 2: Find the maximum kinetic energy of electrons injected from a certain material if materials…
A:
Q: Problem II.10 Steam flows in a hollow cylinder of outer diameter 110 mm and length 30 m. The…
A: Given Outer diameter d1 = 110 mm = 0.11 m Radius r1 = d12 = 0.112 =…
Q: + FIGURE 1: Wind tunnel experiment to measure how the force of air resistance depends on velocity. A…
A: In this question, we have to find out the value of Cd and b. To calculate it we have to make the…
Q: Ex./90 A car moving at 40 km/hr passes a factory as a siren of frequency 500 Hz is sounded. What…
A: Given-n=500 Hzv0=40 km/hv0=40×518=11.11 m/sv=340 m/s vs=0 (stationary source)
Q: Calculate the parallax angle for Mars located at 3400 km from Earth.
A: Parallax is a method used to calculate the distance to astronomical objects like stars. It is the…
Q: Write equations for the alpha and gamma decay of the following isotopes: 235U; 251Cf. 98
A: Given : U92235 & C98251f We have to write the alpha and gamma decay equations for the given…
Q: Although visible light cannot escape from a black hole, high- energy radiation, like gamma rays,…
A: Black holes are formed when massive stars collapse under its own gravity. The gravity of a black…
Q: Advanced Physics At a certain instant, a bar 3 m long is moving in a plane horizontal (Plane of the…
A:
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