What is the Carnot efficiency (in percent) of a heat engine operating between the temperatures of 395°C (668 K) and 170°C (443 K)?
Q: B1
A: 12) Given, q2=19C Since field lines goes in Q2, so it must be negative and other 2 are originates fi...
Q: In a double-slit experiment the angular width of a fringe is found to be 0.2° on a screen placed 1 m...
A: Given data-Wavelength of light used λ1=600 nmAngular width of the fringe in water=θ2Refractive index...
Q: An electrical power line, having a total resistance of 2Ω, delivers 1 kW at 220 V. The efficiency of...
A: We have-? = PoutPout+Ploss× 100 Now,I = P V= 1000220 I= 5011 A
Q: The human circulation system has approximately 1X109 capillary vessels. Each vessel hasa diameter of...
A: Given: Number of capillaries, n=1×109Diameter of vessels, d=8μm,Cardiac output, Q=5L/min, As we know...
Q: A small rod of length 1.0 cm is placed along the x-axis and has a linear charge density given by λ=α...
A: Solution: The electric dipole moment for the continuous charge is given by the following integral :...
Q: B6
A: Given, All the spheres have the same volume, VA=VL=0.015m3 The density of milk, ρm=1027kg/m3 a. The ...
Q: Calculate the change in entropy of air, if it throttled from 5 bar, 27°C to 2 bar adiabatically.
A: Given that, p1=5 bar,T1=27oC = 300 Kp2=2 bar Since the process is a throttling process i.e. h1...
Q: (a) Two insulated charged copper spheres A and B have their centers separated by a distance of 50 cm...
A: Here,Charge on sphere A, qA=charge on sphere B, qB=6.5×10-7 CDisctance between the spheres, r=50 cm ...
Q: Q6. (a) Justify the following statements with sufficient explanations: i. - Numerical aperture is a ...
A: a.(i) Numerical aperture is the measure of confined or collecting of light ability that incident ins...
Q: The interaction between an atom and a diatomic molecule is described by a ‘repulsive’ potential ener...
A: Solution: As per the given statement,
Q: (a) Briefly explain the 3 main processes involved in emission of radiation. [3]
A: 3 Main process of emissions of radiation are alpha decay , gamma decay and beta decay
Q: A particle performing linear S.H.M has maximum velocity of 20cm/s and maximum acceleration of 80 cm/...
A: Given data- Vmax=20 cm/s accmax=80 cm/s2
Q: The slotted arm revolves about a normal axis through point O with a constant angular velocity w.The ...
A: Spring compression: When a spring is at the equilibrium position the the resultant force acting on t...
Q: A point object in air is in front of the curved surface of a plano-convex lens. The radius of curvat...
A: question is- A point object in air is in front of the curved surface of a plano-convex lens. The rad...
Q:
A: Given data, Angle of reflection = 14.1o hkl plane = (111)
Q: B3
A: When any two wave vectors add up to form a wave vector that lies outside the Brillouin zone, In this...
Q: Woman in the late 1980s were terrified about possible misuse of the new Roentgen x rays. What use do...
A: In the early days, while American workers were busily exploring and reporting the beneficial use of ...
Q: A block of mass m moving with speed v compresses aspring through a distancex before its speed is hal...
A: A block of mass m moving with speed v compresses a spring through a distance x before its speed is h...
Q: A set of 31 tuning forks is arranged in a series of decreasing frequencies such that each fork gives...
A: Provided Data-n1=2n31Beat frequency=10The set of fork are arranged in decreasing order of frequencie...
Q: A gas undergoes a reversible non-flow process according to the relation p = (-3 V + 15) where 3 V is...
A: We have, Law of process is: p=-3V+15 V1=3m3 , V2=6 ...
Q: Semicircular wire carries a steady current I. Find the magnetic field at apoint P on the complementa...
A: Let the source point and field point is,R→'=r cosϕx^-r sinϕy^ R→ = r cos θx^+r sin θy^Let the line e...
Q: B10
A: Given that:Hq=∑k→,αhck(nα(k→)+12)Where: nα(k→)=0 or 1
Q: B4
A: LASER is a short abbreviation for light amplification based on the stimulated emission of electromag...
Q: 5.) An electron moves horizontally to the right with speed v and enters a uniform vertical electric ...
A: given, Speed=v Charge, q=e The electric force, F=eE0 The magnetic force due to the magnetic field b...
Q: A turntable rotates at 100 rev/min. calculate its angular speed in radians/s and in degree/s.
A: Given data- n=100 rev/min==100rev60s=53rev/s or 53Hz
Q: Magnetic flux is the measure of the magnetic field that passes through an area of space or an object...
A: Magnetic flux represent the total number of field lines of magnetic field which passes through a sur...
Q: Estimate the uncertainty in the position of (a) a neutron moving at 5 x 10°m/s and (b) a 50 kg perso...
A:
Q: B4
A: Concept used: Plagiarism is the concept of copying content from original work.
Q: B2
A: Solution: B2. Each layer of composite wall offers thermal resistance. This composite wall is exposed...
Q: A magnetic field of 100 G (1 G = 10-* T) is required which is uniform in a region of linear dimensio...
A: Given Data: Magnetic field strength, B=100 G=100×10-4 T Number of turns per un...
Q: D5
A: Temperature is a proportion of the normal active energy of the particles in an article. Nuclear powe...
Q: A block of mass m on an inclined plane that has angle alpha is kept from sliding down the inclined p...
A:
Q: B1
A: Given, charges are, q1=-0.1μCq2=6.2μC Distance between them is, a =1m Let at x distance at point P ...
Q: B7
A: Given: Three capacitor connected in series, C1 = 8.60μF C2 = 8.60μF C3 = 4.30μF Voltage = 49.0 V
Q: Please select the correct one.
A: The rate of change of the object's position with respect to a frame of reference and time is known a...
Q: I need help with part a and b of this question! Thanks! For an independent study project, you design...
A:
Q: A small stone with a mass of 100g is attached to a string 50 cm long. set to rotate in a vertical ci...
A: Solution: a). The free body of the system is shown in the figure below: The forces acting on the st...
Q: B4
A:
Q: 5 cn 10 cm- A point charge +1Opcis a distance 5 cm directly above the centre of a square of side 10 ...
A: Given data-ε0=Permittivity of free space=8.854×10-12 N-1C2m-2q=10μC=10×10-6C
Q: Symbolic answer and drawing pls
A: The rest mass of the alien spaceship=m0=3.2×109 Kg The bow to stern length according to the crew on...
Q: Two particles of equal mass collide. Before the collision, particle A has initial velocity VA, while...
A: Conservation of linear momentum: The linear momentum of a system remains constant in magnitude and d...
Q: 1.) When a particle moves under the influence of a magnetic field, the speed of the particle remains...
A: If a charge particle moving under a magnetic field, then its speed will not change this is because T...
Q: Explain how conservation of baryon number is responsible for conservation of total atomic mass (tota...
A: Conservation of baryon number in a nuclear decay :- Total baryon number can be given as :- Total ...
Q: An earth satellite is in an orbit with perigee altitude zp = 400 km and an eccentricity e = 0.6. Fin...
A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts fo...
Q: The blood content of a man who’s weighing 780 N is equal to 0.0054 kg/m^3.
A: Given : W=780N, V=0.0054m3, D=1059kg/m3 (a) The mass of the blood is : mb=VD=0.0054×1059mb=5.7186k...
Q: The wavelength of maximum emitted energy of a body at 700 K is 4.08 μm . If the temperature of the ...
A: Here, The wavelength of maximum emitted energy of a body at 700 K is 4.08 μm. If the temperature of ...
Q: (a) The principle of work and energy is given as: T1 +2 U1-2 = T2 Explain what are T, , £ U1-2 and T...
A: The principle of work and energy is given as, T1+∑U1-2 = T2 TO DETERMINE: (a) Explain is T1, ∑U1-2, ...
Q: In a Young's double-slit experiment, the slits are separated by 0.28 mm and the screen is placed 1.4...
A: We have-Distance between the slits , d=0.28 mm=2.8×10-4mDistance between central and fourth fringe, ...
Q: Assume that the displacement (s) of air is proportional to the pressure difference (Δp) created by a...
A: S0 = ΔPβK = (ΔP) [(⍴v2) × (ω / v)] = (ΔP)⍴vω = (ΔP)(⍴v2πf)Hence, the proportiona...
Q: Devise a system for you and three friends, at rest with you, to synchronize your clocks if your cloc...
A: 1)Given that Events (or) process coordination to occur at a single time is known as "synchronization...
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