Calculate the change in the angular momentum of the electron when it jumps from the fourth orbit to the first orbit in a hydrogen atom.
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A: Given, mass m=4.0 kg u = 0 v=? t =3.1 sec and F1 =(18i+15j) N and F2 =(-11i+23j) N
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Q: Ex. 80: The fringe separation in biprism experiment is 3.2 × 10-ª m, when red light of wavelength…
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Q: Q1:- A GaAs sample with nno = 3x10¹5 cm ³ is illuminated with light and 10¹4 electron- hole…
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Q: A 10-W light bulb is connected into a 220-V outlet. (a) What is the resistance of the bulb? (b) What…
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Q: A 300-Hz periodic wave travels 10 m in 5 s. Determine the wave number of the wave. O a. 190.400…
A: Given that: Frequency of wave, f=300 Hz Distance travelled, d=10 m Time taken, t=5 s
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Q: Determine the moments of inertia of the shaded area about the x- and y-axes. Also determine the…
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Q: Same situation as in the previous problem this time the magnet has mass 6.20 kg, the force pulling…
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Q: 3. For the gate shown, α = 45°, Y₁ = 1 m, and y₂ = 4 m. Will the gate fall or stay in position under…
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Q: Consider the dispersion of white light incident on a prism. As it strikes the interface, light is…
A: Required : The correct option.
Q: A 4-kg mass is attached to a spring with a spring constant of 8 N/m. (a) Suppose that if the spring…
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Q: Ex. 34: The photoelectric work function for a metal surface is 2.4 eV. If the light of O wavelength…
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Q: 10. An electron experiences a force of .0002N to the right. a. Find the electric field intensity at…
A: Electric field intensity Electric field intensity at a point is defined as force experienced by a…
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Q: Q. 10: In of (R) is (a) 1.Q 3.Q (c) de circuit shown in figure, the value (CET-2003) (b) 20 (d) 4Ω
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Q: An electron and a proton, moving in opposite directions, are accelerated from rest through the same…
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Q: Consider a semiconductor bar with w 0.1 mm, d 10 µm and L-5 mm. for B-104 Wb/cm², and a current of 1…
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Q: Ex. 2: Red light of wavelength 6400 A in air has wavelength 4000 Å in glass. If the wavelength of…
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Q: potential drop across the 50 resistor is (a) 4.42 V (b) 9V (c) 3.176 V (d) 6.569 V (e) 5.294 V
A: Given Data : Electric circuit is given To Find : Potential drop across 5 ohm resistor
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Q: What is the intensity of the wave?
A: Given: Electric field, E=7.2×10-3 V/m To find: D) Intensity of the wave
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Q: Calculate the value of the Planck's constant determined by Franck and Hertz when they observed the…
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Q: QUESTION 5 A mountain climber (of mass 70 kg) is using their ice picks to climb a mountain that has…
A: Kinematics.
Q: An FM signal has a deviation of 3 kHz and a modulating frequency of 1 kHz. Its total power is 5 W,…
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Q: 1. A certain heat engine does 7 kJ of work and 6 kJ of heat transfer occurs to the environment in a…
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Q: Ex. 56: In a biprism experiment interference bands are abserved at a distance of 1 m from the slit.…
A: Given :- Distance od band=1 mDistance between the images=0.7 cmwidth of band=100Distance of lence…
Q: Assume 5 lbm of gas for which R = 26 ft-lbf/lbm-R and k = 1.10m undergo a polytropic process form P1…
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Q: 1. What length of copper (p=1.78 x 10-80m) wire 1.2 mm in diameter is needed to make a 20-Q resistor…
A: We have-Resistivity of copper, ρ=1.78×10-8 Ω.mDiameter of Wire, D=1.2 mmRadius, r=D2=1.2 mm2=0.6…
Q: 5. An atom changing from an energy state of -0.54 eV to an energy state of -0.85 eV will emit a…
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Q: If the reverse current of the germanium diode is 4 microamps at a reverse voltage of 0.3v, calculate…
A: Semiconductor
Q: Find the minimum wavelength for x-ray with a) 35 kV and b) 45kV voltages.
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Q: A 9V battery with internal resistance of 0.50 is connected across a 30 and a 50 resistor. The…
A: Electric current
Q: Determine the moment of inertia ly (in.4) of the shaded area about the y-axis. Given: x = 4 in. y =…
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Q: Q. 16: If the velocity of the electron in its first orbit of hydrogen atoms 2.1 x 106 m/s then its…
A: To find-Velocity of electron in 3rd orbit is=?Given-Velocity of orbit in first orbit is 2.1×106 m/s
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A: Magnetic field.
Q: 18. Combine the 1st and 2nd laws of thermodynamics for a PVT system so as to show that, for any…
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Q: 11. Keep the same date, time and location. Use the search tool to find the listed objects. Use unit…
A: Given:
Q: Q₁ = -0.10 µC is located at the origin. Q₂ = +0.10 µC is located on the positive x axis at x = 1.0…
A: Electric force for unlike charges are attractive. Given Q1 is negative Q2 is positive. Therefore it…
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