fine structure of atom
Q: Choose the correct answer. Thank you!
A: 1)torque=r xF=rFsin∅ Torque is minimum when sin is minimum ;at ∅=0° =False 2)CASE A: Torque=LFsin ...
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A: The focal length of the lens is given as, f = -45cm The height of the pencil is given as, ho = 10 cm...
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A: Given:- The condition for constructive interference is, ∆ϕ...
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A: In an electrical circuit, there is usually a time delay between the applied input signal (voltage) a...
Q: Four charged rings placed as in the figure below Given that all rings have the same charge 71.2 nC a...
A: we have givenfour rings named R1R2R3R4equal charge on each ring is = q = 71.2 ncvalue of radius o...
Q: Find the distance between the given numbers.
A: The distance d between the integers will be given by: Final point- Initial point
Q: Question Two:( 5marks) 1/ Is +v(x) where v(x) is polynomial in x , a Hermitian operator ? why? 2m dx...
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Q: Two molecules are diffusing in a water solution held at the sametemperature T. Molecule A has three ...
A: In order to solve this question we need to relate mean free path L , mass of molecules m and the ...
Q: In some forms of the periodic table, hydrogen is placed in Group I; in others, it is placed in Group...
A: The electronic configuration of Hydrogen is 1s1. Hydrogen atom gets noble gas configuration either b...
Q: Find the electric field (in units of N/C) needed to accelerate a charged particle (m-22 ug and q=33 ...
A: Using equation of motion of kinematics and substituting for acceleration, a = F/m = q E/m we get the...
Q: Consider a composite wave formed by two plane waves with slightly different frequencies of 0 = 2.7 x...
A: The carrier velocity (also called group velocity) of two superimposed signal is given by, v=dωdkv=ω2...
Q: A 220-volt 2 ampere electric kettle contains 5 kg. of water at 21° C. It is required to bring it to ...
A: Step 1 The efficiency of the kettle can be calculated using the standard formula as below, Here Qou...
Q: At what temperature, that heated body re-radiate the thermal energy density of (2.2 X10-8 J/m2), if ...
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Q: 1. A student prepares a sample and collects a powder diffraction pattern on an in- strument that is ...
A: Given A stucknt prepares a sample and collects a diffraction on anstrument that is available in the ...
Q: A charged particle is moving in a magnetic field, B, with speed v. Assume the value of the charge is...
A: F=ma For an object moving in circular path, acceleration is centripetal acceleration. a=v2r Then, F=...
Q: (RESONANCE IN AIR COLUMN) Scientifically prove whether the magnitude of the wave is stronger w...
A: Introduction: A wave is a disturbance in a medium that carries energy without a net movement of part...
Q: 3. Find the flux through a spherical Gaussian surface which has radius a = 4m from the center of the...
A: Given data: The charge is q=9.5 pC. The radius is a=4 m.
Q: A rod 2-meter long rod is initially at rest and is fixed on its right side, which acts as its axis o...
A: Torque = moment of inertia *angular acceleration Angular momentum = moment of inertia * angular spee...
Q: 1. The discovery of Cosmic Background Radiation helped explain...a. Nebular-Condensation Theoryb. wh...
A: Cosmic background radiation (or) Cosmic Microwave background radiation (CMBR): It is the radiation t...
Q: Express 50KPA in psi and explain it
A: Given: 50KPa 1 KPa = 0.1450377377 psi
Q: The measure of the linear density at any point of a rod 6 m longvaries directly as the distance from...
A: Given, density =3kg/m m=∫06ρdx=∫063dx=18 kg Hence, total mass of given rod is 18 kg .
Q: Explain why the viscosity of multigrade motor oils is less temperature-dependent than that of single...
A: Since viscosity is inversely proportional to the temperature of the oil. It decreases with increase ...
Q: + 10 Page view A Read aloud V Draw Highlig! Question 1 (a).i. An electric heating element to dissipa...
A: a) i. Power generated by a resistor of resistance R with voltage V across it is If length of the ri...
Q: Draw a graph of log(y) vs log(t) with these values
A: Given data: logy logt -0.056 -0.38 0.20 -0.25 0.48 -0.11 0.73 0.017 0.81 0.057 0.93 0...
Q: 1- by using the Covariance theory to find the wave function of a harmonic oscillator, we use the fol...
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Q: Estimate the sound velocity of Xe (fcc crystal with lattice parameter of 6.202 Angstrom) from the ph...
A: Given: The lattice parameter is 6.202 A∘. Introduction: The lattice constant refers to the physical ...
Q: P21 A nearsighted person might correct his vision by wearing diverging thin lenseswith a focal lengt...
A: here the concave lens is of focal length, f=-45 cm The object is held at a distance 4.5 m from the l...
Q: How can we deduce the units of energy from the definition of kineticenergy?
A: The kinetic energy is the energy required to move any mass m with velocity v. In other word work req...
Q: By descibing the mdion f a domped haimoxic osailator that is inilally od vest the motion of and that...
A: Here, we look into the generalised equation of the damped harmonic oscillator, and then we move on t...
Q: Q.2) The Lagrangian for a free particle in terms of paraboloidal coordinates (§, ŋ, ¢ L= m (?* + r*)...
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Q: If a north pole of a magnet is placed 150 mm from a south pole. The strength of the north pole is 60...
A: Given, Distance between the two poles, d=150 mm=0.15 m Strength of north pole, m1=60 A-m Strength of...
Q: Consider a 10 nC charge located at the origin, what will be Ele resent the Electrical field in Carte...
A: Given :Charge = 10 × 10-9 C at 0,0,0and P 10, π2 , π4Given that the points are in spherical co...
Q: Please answer all questions ;)
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: Question: What is the maximum wavelength of light that will cause photoelectrons to be emitted froms...
A: Given, Work Function, W=2.28eV = 2.28×1.6×10-19J=3.648×10-19JSpeed of light,c=3×108m/sPlanck's const...
Q: O Assignment Score: x Give Up? E Feedback 3.6% Resources Resume O Attempt 2 Both aldehydes and keto...
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Q: find the inteyral f=xâ +x*j from the point {-1,0} to {1,0} on R-axis
A: Given, f→=xx^+x2y^ According to question integration only in x direction, so dr→=r^dr=x^dx limit is ...
Q: Please help. Thank you:) This is the website simulation that will be using: https://ophysics.com/e2....
A: The Results of scenario 1 is as follows : A. Before collision Mass (kg) Velocity Momentum En...
Q: A copper rod and an aluminum rod have lengths of 99.75 cm and 99.50 cm respectively at 20oC. At wha...
A: Let's assume that at temperature T∘C, the length of both the rods be the same. The formula to calcul...
Q: Draw the schematic diagram showing the energy level alignment of metal-semiconductor and semiconduct...
A: After the metal-Semiconductor contact case(a)
Q: A 2 m long massless rod supports a 12 N weight. The left end of each rod is held in place by a fric...
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Q: The uniform seesaw shown below is balanced on a fulcrum located 3.0 m from the left end. The smaller...
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Q: Which of the following cells has the highest radio-sensitivity O None of the given options O Lung O ...
A: cells has high radio sensitivity
Q: 1.Freely Falling Object
A: Given: Rock straight up with speed vo=+7.40m/s vf=0taking y=0 at ground level,g=-9.8 rock is going u...
Q: A motorboat, operating at full throttle, made a trip 4 miles upstream (against a constant current) i...
A: Given that the speed of the boat upstream is, U = 44 = 1mile/hr and the speed of the boat upstream i...
Q: The sketches show possible paths of the charge after it enters a region containing a uniform magneti...
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Q: Consider the Pauli matrices o, = ( ), o=(6) 1 %3D %3D (a) Verify that o? = o; = o? = 1, where I is a...
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Q: 4. A uniform electric field, E 5000 N/C passing through a flat square area, A = 2 m? makes an angle ...
A: Given: angle is θ=60oElectric field is E=5000N/CA square area is A=2m2 The electric flux of uniform...
Q: Q.4 A rigging boom supported by means of boom cable BC as shown in figure. Compute the length of the...
A: Given data: The distance is AB=10 m. The distance is AC=14 m. The angle is θ=30°. The length of th...
Q: can you please answer quickly
A: (a). The area of the sphere of radius R is A=4πR2 Thus, the surface charge density of the sphere is,...
Q: Find the electric flux ( in units of N.m2/C) through the surface in the figure ( dashed line) given ...
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