Ex. 35: Determine the wavelength of photon emitted which has an energy at 2.5 eV.
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. 1 Find the second moment of inertia with respect to the axis parallel to symmetric axis and…
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Q: Ex. 1: The energy required to remove electron from sodium is 2.3 eV. Does sodium show photoelectric…
A: The energy required to remove an electron from Sodium is 2.3 eV. This implies the work function of…
Q: What is the effect of detector material and mAs on Image Noise and Contrast of the acquired CT…
A: ANSWER: A computerized tomography (CT) scans images are taken from a series of x-rays penetrating…
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: . An A.C. voltage of 230 V, 50 Hz is applied across a series combination of two Henry inductance and…
A: To find-Capacity of capacitorGiven-Erms=230 Vf=50 HzL=2 HC=?
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: A 40.0 kg box initially at rest is pushed 4.70 m along a rough, horizontal floor with a constant…
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Q: What is an emission nebula?
A: The space between stars and galaxies is filled with clouds of gas and dust. These clouds of gas and…
Q: MOTION LOAD AND THE ARCHER FISH. Archers are tropical fish that hunt by shooting drops of water from…
A: Given: The mass of the fish is 65 g. The mass of water ejected is 0.30 g.…
Q: Electrons passes undeviated through crossed electric and magnetic fields. If E = 5 x 104 N/c and B =…
A: To find-Velocity of electron (v)=?Given-E=5×104 N/CB=4×10-4 Wb/m2
Q: B) Calculate the reflection coefficient of the cavity reflectors for semiconductor laser with 500μm…
A: Given,L=500μmα=820/mgth=3000/m
Q: Describe the systematic approach to ECG interpretation?
A: Electrocardiogram (ECG) is used to monitor the heart rate of the patients. ECG mainly records the…
Q: vector, and find a. Why is S Re
A: The instantaneous pointing vector is given as, S(r,t) =E (r,t) x H (r ,t) The equation rewritten as,…
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: Ex 27: The threshold wavelength for silver is O 3800 A. Calculate the photoelectric work function…
A: To find-Work function in eV (W)=?Given-λ0=3800 A0=3.8×10-7 mh=6.63×10-34 Jsc=3×108 m/s1 eV=1.6×10-19…
Q: A charge q, and mass m, is fired perpendicular to a magnetic of revolution of the charge is (a)…
A: To find-Frequency of revolution=?Given-Charge=qMass of charge=mVelocity=vMagnetic field=B
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: Describe how an electrical impulse of the heart is recorded when it moves toward a positive…
A: Case :1 If it is observed that a wave of depolarization travels towards the positive terminal of the…
Q: What is the internal energy of 6.00 mol of an ideal monatomic gas at 200 °C?
A: Simple problem from thermodynamics. Please have a good look
Q: Which one of the following statements is NOT a consequence of the second law of thermodynamics? IN
A: Introduction:Let us first understand 2nd law of thermodynamics and understandvarious statements…
Q: Q. 52: A heat engine converts 1/6th of input heat into work. When temperature of sink is reduced by…
A:
Q: Two stars-A and B, of luminosities 0.5 and 4.5 times the observed to have the luminosity of the Sun,…
A: The luminosity of a star is a measure of the total amount of energy that is radiated by a star per…
Q: The Galactic halo contains as much gas and dust as the disk. (T/F)
A: A galactic halo is a region surrounding a galaxy. It extends beyond the visual part of the galaxy.…
Q: Electrons passes undeviated through crossed electric and magnetic fields. If E = 5 x 104 N/c and B =…
A: To find-Velocity of electron (v)=?Given-E=5×104 N/CB=4×10-4 Wb/m2
Q: Problem 2.1. Let   be an observable operator with a complete set of eigenstates on) with…
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Q: The energy in eV of a photon, if the requency of the radiation is 7 × 10¹4 Hz is 4.0 eV 2.9 eV 3.9…
A: To find-Energy in eV=?Given-h=6.63×10-34 Jsv=7×1014 Hz
Q: When an electron is accelerated from rést to potential V, the final velocity electron is of (a) (c)…
A: Work done in acclerating the electron, W= eV the increasing in Kinectic energy = 1/2 m v2 according…
Q: The average density of interstellar gas within the Local Bubble is much lower than the value…
A: Interstellar gas are the raw materials for formation of stars. They are many composed of hydrogen…
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: (a) Compute the binding energy for material X where effective masses of an electron and of a hole…
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Q: Find the current through an inductance coil of inductance 2H and of negligible resistance when…
A: To find-(Irms)=?Given-L=inductance of coil= 2 HErms=230 Vf=50 Hz
Q: Calculate the velocity of the electron in the first orbit in a hydrogen atom.
A: To find-Velocity of electron in 1st orbit (V1)=?Given-n=1∈0=8.85×10-12 C2/Nm2h=6.63×10-34…
Q: The car is traveling at a speed of 64 mi/hr as it approaches point A. Beginning at A, the car…
A: Solution: Given that, VA=64 mi/hr=93.866 ft/sacceleration(a): A to B=-6.2 ft/s2…
Q: The most rapidly "blinking" pulsars are those that (a) spin fastest; (b) are oldest; (c) are most…
A: Pulsars are a type of neutron star that rotates very fast. The period of a pulsar range from…
Q: A hockey puck is sliding on a frictionless ice, in an eastward direction. It collides with a second…
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Q: The decay constant of radioactive substance is 4.33 x 10 per year. Calculate its half life period. ×
A: To find-Half life period (T)=?Given-Decay constant λ=4.33×10-4 per year
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: Assuming that C₁ Cos (wot) and C₂ Sin (wot) in 1.2 are two independent solutions of the SHO…
A:
Q: Find the current through an inductance coil of inductance 2H and of negligible resistance when…
A: To find-(lrms)=?Given-L=inductance of coil=2 HErms=230 Vf=50 Hz
Q: If the photoelectric work function of a metal is 5 eV, calculate the threshold wavelength for the…
A: To find-Threshold wavelength (λ0)=?Given-W=5 eV=5×1.6×10-19 J
Q: A deflection bridge shown in figure below is used to measure an unknown Capacitance,Cu. The…
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Q: Q. 52: A heat engine converts 1/6th of input heat into work. When temperature of sink is reduced by…
A: Temperature of source (T1)=?Given-dW=external work donedQ=heat supplied to system
Q: On revolution counter, the electronic counter count the number of time the switch ********** O open…
A: In one revolution the counter goes from 0 to 1 or 1 to 0. Here 0 means closed and 1 means it is…
Q: Why are emission nebulae red?
A: Emission nebulae are formed in regions of star formation. The new stars ionize the interstellar…
Q: Calculate the luminosity of Sirius A in solar units.
A: Luminosity is the absolute measure of the radiated power or energy radiated per second of a star or…
Q: Electrical power is transmitted to our homes by overhead wires strung between poles. A typical…
A: Here we estimate the height of an electrical transmission line. For linear charge density, we use…
Q: L21: An electron enters in a magnetic held of induction 2 mT with velocity of 1.8 × 107 m/s. The…
A: To find-Radius (r)=?Given-Magnetic field (B)=2 mT=2×10-3TVelocity (v)=1.8×107 m/s
Q: B) Calculate the reflection coefficient of the cavity reflectors for semiconductor laser with 500µm…
A: expression for gain threshold is given by g th is the threshold gain = 3000 / m α is the effective…
Q: A Carnot engine works between two heat reservoirs at temperatures Th= 322 K and Tc = 65 K. 1) (a)…
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