Calculate ionization energy for 1s electron of Hydrogen Atom. Assume that the electron is at the ground level.
Q: A heat engine that operates between two heat reservoirs at 900 ° C and 0 ° C, respectively, it has a...
A: The formula for efficiency is ζ = QCQH -QC = 0.35 and we know that QH -QC = Work done = W = 21 kJ...
Q: What number concentration of a fog comprised of 0.4um water droplets would be expected to result in ...
A: Given, diameter=0.4 um The 50 % extinction of wavelength for the 520nm Distance travelled =10 km The...
Q: Q: - Find the centroid of the shaded area under the curve shown in the Figure below. 1. Use vertical...
A: To find from vertical i.e from x axis X= integration x*dA/integration dA Which will give X bar = 80...
Q: Quantum mechanics 1
A: On applying the distributive property:
Q: Under what conditions does the magnitude of the average velocity equal the average speed?
A: Speed is the quantity that denotes how fast a objects travels, speed is a scalar quantity whereas ve...
Q: A gas is enclosed in a container that has a piston with a cross-sectional area of 0.15 m2. The absol...
A: HERE TO FIND THE WORK DONE WE NEED TO FIND THE VOLUME FIRST AND THEN WE CAN DETERMINE THE WORK D...
Q: If a 72-kg person absorbed an equivalent dose of 1.36 mSv of radiation with the RBE of 3.0, what was...
A: Given, m=72kg dose equivalent=1.36mSv RBE=3 The total energy is given by, E= m×dose dose=dose equiva...
Q: Find the center of gravity for the distribution of masses (red circle) given as in the figure? Where...
A: X component of center of gravity X=m1x1+m2x2+m3x3m1+m2+m3=20 kg10 cm+16 kg-10 cm+14 kg-20 cm20 kg+16...
Q: 8
A:
Q: Construction of the P-M diagram a) For the cross-section shown below, use f, = 60 ksi and fe' = 5 ks...
A: RC RECTANGULAR COLUMN DESIGN (ACI318-14) Geometry of column Depth of column (larger dimension of co...
Q: Calculate number of electrons, which have to be displaced in order to achieve a Coulomb force of 1 N...
A: We will use the electric force and fact that q=ne,
Q: Three capacitors having capacitances of 8.4, 8.4, and 4.2 mFare connected in series across a 36 V po...
A: Given, Capacitor,C1=8.4mF=8.4×10-3FCapacitor,C2=8.4mF=8.4×10-3FCapacitor,C3=4.2mF=4.2×10-3FTotal Vol...
Q: Which one of the following law of thermodynamics states that if two systems are in thermodynamic equ...
A: When two bodies are brought into contact with each other and if one of them is hotter than other the...
Q: (5) Calculate the moment M about point A, that is created by force F, located at point B (units are ...
A: Given: F⇀=-2i^+4j^-1k^Point B(6,2,0)Point A(5,0,2) Formula of moment,M⇀=r⇀×F⇀,here r is position vec...
Q: In a process for the production of raw materials for the elaboration of circuits, a gas at 1227 ° C,...
A: For an ideal machine ,we can apply Carnot conditions.
Q: 2. A conducting structure seen in figure carries uniform and direct current / is inside a magnetic f...
A: Given, There is wire pattern inside the magnetic field
Q: When laser light of wavelength 632.8 nm passes through adiffraction grating, the first bright spots ...
A: Given, Wavelength,λ=632.8nm=632.8×10-9mAngle,θ=17.80 (a) We have to calculate the line density, We h...
Q: A giant molecular cloud is 30 pc in diameter and has a density of 339 hydrogen molecules/cm^3. What ...
A: GIVEN: The density is given by ρ=MV where M is mass and V is the volume Diameter of cloud (D) =30 p...
Q: The density of a substance is the weight of the substance divided by itsvolume. At 5°F, the weight o...
A: Given- Weight of liquid R-134a (w) = 294.18 pounds = 294.18 lb Volume of liquid R-134a (V) = 3.5 cu-...
Q: A source emits sound waves isotropically. The intensity of the waves 2.50 m from the source is 1.91...
A: Given, Intensity,I=1.91×10-4W/m2Radius,R=2.50m We have to calculate the power of the source, We know...
Q: A 200 g mass is placed on the meter stick 20 cm from the fulcrum. An unknown mass is positioned 8 cm...
A: HERE WE APPLY THE LEVER RULE . IN THE EQUILLIBRIUM THE MAGNITUDE OF TORQUES EXERTED AT EACH END OF L...
Q: In an L-R-C series circuit the magnitude of the phaseangle is 54.0°, with the source voltage lagging...
A: Given data R=180 ΩXC=350 Ωϕ=54°P=140 W
Q: A 3.0kg cannon ball is shot from a cannon at a speed of 20m/s. The cannon is oriented 50 degrees abo...
A:
Q: A lagged copper bar, 10 cm long, whose ends are pressed againat metal tanks at 0'C and 100°C, are se...
A: Net Thermal resistance = R=∑LKAi Let Cross section area of rod be A mm2 and Thermal Conductivity of ...
Q: A 6.0 kg box moving at 3.0 m/s on a horizontal, frictionless surface runs into one end of a light ho...
A: Here, we apply the work and energy theorem to get the maximum compression in spring.
Q: Two cars with energy-absorbing bumpers collides with car A having a speed of 8 kph to the right and ...
A: Given, Mass of car A, mA=1270kgMass of car B, mB=2000kgVelocity of car A,vA=8km/hr=8×518m/sVelocity ...
Q: Newton’s rings are visible when a planoconvex lens is placed on a flat glass surface. For a particul...
A: The refractive index of the lens is given as, nl = 1.50 The refractive index of the glass plate is g...
Q: Calculate the probability that a hydrogen 2s electron will be found within a distance 3 angstroms fr...
A: Radial wavefunction for 2s electron in Hydrogen atom is given by, R2sr=12a03/22-ra0e-r/2a0
Q: conductor plane. Use method of images to find capacitance per unit length of the cylinder. (25p) d
A:
Q: Compute and compare the electrostatic and gravitational forces in the classical hydrogen atom, assum...
A: Given: radius (r)=5.3 x 10-11 m Formula used: F=G×mp×mcr2 Fc=14πε0q1q2r2
Q: Coherent light of frequency f travels in air and is incident on two narrow slits. The interference p...
A: Given, Frequency,f1=5.60×1012HzAngle,θ=600Frequency,f2=7.47×1012HzSpeed of light,c=3×108m/s We know ...
Q: For the following circuit determine the indicated mesh currents: a) I1 = 1.29 counterclockwise and I...
A: Using Mesh analysis we can solve the problem as solved below. First assume direction of both current...
Q: Determine the centroid of the figure: a) x = 7.5 cm y = 2.5 cmb) x = 6.33 cm y = 2.33 cmc) x = 12.5 ...
A:
Q: Determine the vertical component, as a function of radius R, of the center of mass of a thin wire sh...
A: Given: The radius of the wire is R. Introduction: The Centre of mass of a body or system of a partic...
Q: The focal points of a thin diverging lens are 25.0 cm from the center of the lens. An object is plac...
A: Given, The focal points of a thin diverging lens are 25.0 cm, F=-25 m The lens forms an image of th...
Q: A 200 Ω resistor is connected in series with a 5.0 µF capacitor. The voltage across the resistor is ...
A: Using:VR=iRi=VRRwhere, VR=(1.20 V)cos[(2500 rad/s)t]R=200 ohm Putting values in above equation we ge...
Q: Two people of masses mi (on the left) and m2 (on the right) are balanced on an unmoving see-saw as s...
A: The free body diagram of the plank is overlaid in the diagram below,
Q: Elements in the gaseous state emit line spectra with well-defined wavelengths. But hot solid objects...
A: Introduction: When gasses are heated they emit only certain wavelengths of light forming an emission...
Q: In an industrial process, a gas phase refrigerant reduces its internal energy by 70 kJ by means of a...
A: Given data dU=-70 kJWin=-20 kJWout=+100 kJ
Q: Two strings of different mass per unit length m1 and m2 are tied together and stretched with a tensi...
A: wave speed=Tension on stringlinear mass density Since linear mass density of each string is differen...
Q: In discussing the energy of a physiological system, the Gibbs free energy is most relevant. Since th...
A: When muscle contracted then no of molecules remain constant, electrical charge and length are also s...
Q: k В(х, у, 2,1) — В, sin (x+у) —+oх
A: Electric field (E) is calculated from magnetic field(B) by the formula: Here, c is the velocity of ...
Q: Two events occur in an inertial system K as follows: Ev...
A: The time interval for inertial frame moving at speed v with respect to another inertia frame is ∆t'...
Q: A concave mirror forms an image, on a wall 3.00 m in front of the mirror, of a headlamp filament 10....
A: For all the points of the mirror, the law of reflection holds true, so in this case, the image will...
Q: Please solve this question in electromagnetism
A:
Q: Certain sharks can detect an electric field as weak as 1.0 mV/m. To grasp how weak this field is, if...
A: Here, we use the relation between Electric field and potential to get the required distance.
Q: A resistor, in series with a 138 – microfarad, is connected to a 60 – cycle source. If the voltage d...
A: Given, C=138 μFV= 115 VP= 922 Wf= 60 Hz
Q: A rigid, lighter-than-air dirigible filled with helium cannot continue to rise indefinitely. Why? Wh...
A: (a) A rigid, lighter-than-air dirigible filled with helium cannot continue to rise indefinitely. Why...
Q: A car is known to be 88% likely to pass inspection at a certain Motor Vehicle Agency inspection offi...
A: Given: Total number of cars is n=100. Probability of car to pass inspection is p=0.88.
Q: A system of two paint bucketsconnected by a lightweight ropeis released from rest with the 12.0 kgbu...
A: Given data, Mass of the buckets = 12 kg and 4 kg Height of the 12 kg bucket from the ground = 2 m
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