Q2 Compute the curl of the vector field F(r,o,0) =res+ cot o ee in spherical coordinates.
Q: Electric Flux. A uniform electric field E = N/C passing through a flat square area A = 0.28. Calcul...
A: ϕ=EAcosθ Let electric field be 1 N/C and area be in SI units.
Q: As the temperature is increased, molecules moving with lower speed increases. a) True b) False
A: B
Q: Which of the following causes acoustical grating? a) Magnetic waves b) Electric waves c) Magnetostri...
A: D
Q: Find the width of one dimensional box in which a proton has an energy of 400,000eV in its first exci...
A: for one dimensional box,energy E=n2h28ml2where l is length of boxm is mass of proton 1.67×10-27kgpla...
Q: If Ψ1 and Ψ2 are two solutions of Schrodinger Wave equation then which of the following is also a so...
A: D
Q: When a thin plate of refractive index 1.5 is placed in the path of one of interfering beams of Micha...
A: C
Q: How much shift was expected in Michaelson-Morley experiment? a) 0.01 b) 0.02 c) 0.03 d) 0.04
A: D
Q: Q#2 (a) The relation for total energy (E) and momentum (p) for a relativistic particle is E = c²p² +...
A: Since, vp=ωk....(1)where, ω is angular velocityand k is propagation vectorvp=ωk=hωhk=Ep..... (2)Sinc...
Q: The ratio of rms velocity to most probable velocity is ________ a) √3 : √2 b) √2 : √3 c) 3 : 2 d) 2 ...
A: A
Q: Vectors
A:
Q: An underwater sonar source operating at a frequency of 60 kHz directs its beam towards the surface. ...
A: wavelength and frequency of the waves in air.given,frequencyf= 60 kHzvelocity of sound in airvs=330 ...
Q: If vibrations of a string are to be increased by a factor 2, tension in the string must be made ____...
A: C
Q: For a 3p orbital, what are the total number of nodes? a) 3 b) 2 c) 1 d) 0
A: B
Q: how to get this problem? thank you!
A: In this case, the wave function and its complex conjugate are given in the following way. Assumptio...
Q: A tube closed at one end containing air produces a fundamental note of frequency 512Hz. If the tube ...
A: C
Q: A block of mass M, which was initially stationary, is lowered downwards using a rope with an acceler...
A: The free-body diagram for the problem is shown in the figure: Applying Newton's second law Fnet=m...
Q: A siren emitting sound of frequency 800Hz is going away from a static listener with a speed of 30m/s...
A: A
Q: The speed of light is a limiting velocity, unattainable by a material body. a) True b) False
A: A
Q: A large ship displace can displace a maximum of 12,000 m3 of sea water, how much load (in kg) can it...
A: given,volume displaced =12,000m3density =1050kg/m3
Q: Two particles approach each other with a velocity of 0.9 c. What is their relative velocity as obser...
A: C
Q: 3-
A:
Q: Which of the following gases are filled inside the Photoelectric cells? a) Carbon Dioxide b) Nitroge...
A: The photo electric cells contains inert gases like neon and argon. These gases are filled inside the...
Q: A 1-kg bird sits on the middle of a clothesline whose supports are 10 m apart. The clothesline sags ...
A: To solve this question, we will use the concept of equilibrium of forces. Given, Mass of the bird m=...
Q: Compton shift depends on which of the following? a) Incident radiation b) Nature of scattering subst...
A: C
Q: Answer part C, Part D, and Part E
A: Given: The Length L=1.6 m The charge Q=-8e-08 Coulombs The centre of the rod to be the origin of our...
Q: Rayleigh-Jean’s law holds good for which of the following? a) Shorter wavelength b) Longer wavelengt...
A: C
Q: Explain the basic principles of the cyclotron function?
A: Explanation given below:
Q: Which of the following is not a characteristic of wave function? a) Continuous b) Single valued c) D...
A: D
Q: Wave has simple harmonic motion whose period is 4seconds while another wave which also possesses sim...
A: C
Q: S-orbitals have no angular node. a) True b) False
A: A
Q: Q2: What the total distance of a box moving from rest to reach the other side. on a conveyor belt wi...
A: Data given - u = 0 a1 = 0.23 g a2 = 0.4 g
Q: At what condition, vp = vg? a) dvp/dk = 0 b) dvp/dω = 0 c) dvp/dλ = 0 d) dvp/dμ= 0
A: C
Q: Two solutions of Schrodinger Wave equation obey Superposition principle. a) True b) False
A: The solution of Schrodinger equation is linear in ψ. There are no terms where the degree of ψ is 0 o...
Q: The celestial source of X-ray is _______________ a) Stars b) Quasars c) Black Holes d) Nebula
A: C
Q: The density of molecules is maximum at which speed? a) Vrms b) Vp c) Vmean d) Vinst
A: B
Q: The result of the Michaelson Morley experiment was as expected. a) True b) False
A: B
Q: What will be the rest energy of an electron? a) 0.41 MeV b) 0.51 MeV c) 0.61 MeV d) 0.71 MeV
A: B
Q: A black body is defined as a perfect absorber of radiations. It may or may not be a perfect emitter ...
A: B
Q: Inside a sphere of radius R charged with constant volume density p, there is a spherical cavity of r...
A: Electric Field The electric field is a region around a charge or a group of charges such that if a c...
Q: 2-
A: We know the relation betweenangle and wavelength for a specific maximum or minimum doable slit exper...
Q: Explain electromagnetic spectrum with graph and range
A: The electromagnetic spectrum is the systematic distribution of the electromagnetic radiation accordi...
Q: Q3: semicomductor sheet have dimensions (5,4,2)mm, electric field applied is 2 volt, the current val...
A: Assuming the dimensions (5,4,2)mm are given in order (length,width,height) and the electric field is...
Q: Use the formal definition to show that the function f(x) = x3 + 4x² is not uniformly continous on th...
A: Definition- A function f:I→IR is said to be uniformly continuous on I if corresponding to a pre-assi...
Q: Raman lines are ________ a) Weak b) Strong c) Curved d) Blurry
A: A
Q: The intensity of pattern observed when wave functions are super positioned is similar to ___________...
A: B
Q: A chunk of ice (T = -20°C) is added to a thermally insulated container of cold water (T = 0°C). What...
A: A chunk of ice (T = -20°C) is added to a thermally insulated container of cold water (T = 0°C), then...
Q: Calculate the Zero-point energy for a particle in an infinite potential well for an electron confine...
A: C
Q: If the direction of velocity is changed by 180o simultaneously, the mass would _____________ a) Chan...
A: B
Q: The length of a rod seems shorter to an observer when it moves in a specific direction. What change ...
A: C
Q: What is the relation between the interaction parameter, ‘b’, and atomic radius, R, for the Photoelec...
A: Option
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