D. A positive charge is located above the Gaussian cylinder. • Find the sign of the flux through: Surface A: Surface B: Surface C: • Can you tell whether the net flux through the Gaussian surface is positive, negative, or zero? Explain,
Q: The rigid bar A,B,C shown in figure is connected to to a steel bar at A, Aluminum bar at B. the prop...
A: Using compatibility relation, ∆A7=∆B3=∆D33∆A=7∆B∆B=∆D Take moment about c, FA0.7+FB0.3=W0.37FA+3FB=3...
Q: Wave function do not show interference. a) True b) False
A: B
Q: The radiations emitted by hot bodies are called as ________________ a) X-rays b) Black-body radiatio...
A: B
Q: What will happen when sound is focussed to a particular area? a) Echoes are produced b) Sound become...
A: C
Q: If the direction of velocity is changed by 180o simultaneously, the mass would _____________ a) Chan...
A: To answer: if the direction of velocity is changed simultaneously, the mass would, (a) change simult...
Q: Which quantum numbers gives the shell to which the electron belongs? a) n b) l c) m d) s
A: A
Q: A charge emanates an electric field of 84N/C. If this field is placed on a circular surface with a r...
A: Given data: The electric field is E=84 N/C. The radius of the circular surface is r=66 μm. The angl...
Q: Electrons in a diffraction experiment are accelerated through a potential difference of 200 V. What ...
A: Solution: We know that, when the electron is accelerated through a potential difference of 'V' volts...
Q: Ψ must be normalizable. a) True b) False
A: A
Q: For a box with infinitely hard walls, the potential is maximum at _____________ a) L b) 2L c) L/2 d)...
A: A
Q: Which of the following is also known as pressure waves? a) Transverse waves b) Longitudinal waves c)...
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: When an object with a mass of 20 - 50 kg lands at a height of 16 m at a height of 20 m, how many jou...
A: Change in potential energy is given by mg(h2 -h1) mass m1= 20 kgm2=50 kgheight h1= 16mh2=20mV1=mgh1=...
Q: A quartz crystal of thickness 0.001m is vibrating at resonance. Calculate the fundamental frequency....
A: A
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: What are the advantages of fixed automation over flexible automation with suitable example
A: Introduction: Automation of production systems can be classified as: 1. Fixed automation: It refers ...
Q: Problem 5: Two transverse waves travel along the same taut string. Wave 1 is described by y,(x, t) =...
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...
Q: Which quantity is said to be degenerate when HΨn = EnΨn? a) Eigen Vectors b) Eigen Values c) Eigen F...
A: C
Q: Determine the moment of the force System shown in with and A" Fig respect to points o 100 享 300 A 30...
A:
Q: Sonograms work under the principle of Doppler Effect. a) False b) True
A: True
Q: If two sound waves having a phase difference of 60°, then they will have a path difference of ______...
A: Given: Consider two waves having same frequency f and wavelength λ. The phase difference between the...
Q: Tunnel effect can be explained on the basis of ____________ a) Schrodinger’s Equation b) Particle in...
A: C
Q: The work function of lithium is 2.5 eV. The maximum wavelength of light that can cause the photoelec...
A: B
Q: TRUE OR FALSE: Write TRUE if the statement is correct, otherwise write FALSE. 1. Before testi...
A: Explanation: 1. Before testing the electroscope, the foil strip is positively charged. False, ...
Q: A racing car moving towards a cliff sound its horn. The driver observes that the sound reflected fro...
A: C
Q: Which of the following were one of the conclusions of the Michaelson Morley experiment? a) All laws ...
A: C
Q: Which of the following effects can be used to produce ultrasonic waves? a) Magnetostriction effect b...
A: C
Q: What is the time lag between the incidence of photons and the ejection of photoelectrons? a) Greater...
A: C
Q: J, F(t)dt The time average of a Force F (t) in the time interval t; and t2 is given as ty – ti a bal...
A: Average force is defined as change in momentum in unit time.
Q: Which of the following causes acoustical grating? a) Magnetic waves b) Electric waves c) Magnetostri...
A: D
Q: What is the average density of the sun? What is the average density of a neutron star with the same ...
A: (a) mass of sun = 1.99*1030 kg radius of sun= 6.96*108 meter volume of sun (assume spherical shape) ...
Q: The transmission based on tunnel effect is that of a plane wave through a ____________ a) Circular B...
A: C
Q: Find the value of Rab in the figure-(e).
A: Given, A electric circuit with resistors
Q: c) The current follows in a charging inductor I(t) at time t seconds is given by: i(t) = 1,(1 – e ) ...
A: Given that the current in circuit is given by the formula, i(t)=Is1-e-tτ mA (1) and the tim...
Q: As you enter a fine restaurant, you realize that you have acci dentally brought a small electronic t...
A: Given: frequency = 1.97 hz L= ? take g= 9.80 m/s2 motion is back and forth so ,it can be treated as ...
Q: volts. How long does it take to reach a speed of 10^7 m/s and what position does it reach at this sp...
A: The force on a charged particle with charge q under the influence of an electric field E is F=qE W...
Q: In a cathode-ray tube (CRT), an electron travels in a vacuum and enters a region between two "deflec...
A: Given data, L = 12 cm = 0.12 m d = 3 cm = 0.03 m t = 0.001 s ∆p→=<0,8.00 x 10-17,0> The fo...
Q: Derive Rutherford scattering formula of alpha radiations from a gold foil on the basis of nuclear mo...
A:
Q: The Schrödinger is a differential equation. a) True b) False
A: B
Q: The values of Energy for which Schrodinger’s steady state equation can be solved is called as ______...
A: B
Q: An object's (one dimensional) motion is represented by the following equation of position 6) versus ...
A:
Q: Particle in a box of finite potential can never be at rest. a) True b) False
A: A
Q: A total charge of Q is uniformly distributed along a line, which extends along the x- axis from x=0 ...
A: Charge on segment is given by, dq = λdx = QLdx
Q: A transverse wave on a string is described by the wave function y(x, t) = 0.332 sin(2.25x + 88.4t) w...
A:
Q: What is the rest mass energies for electron, Ee, and positron, EP? a) Ee = 1.02 MeV, EP = 1.02 MeV b...
A: The correct Answer is D.
Q: When the movable mirror of a Michaelson Interferometer is shifted through 0.0589 mm, 200 fringes cro...
A: A
Q: htal road? F= , I remember significant figures.
A: Given: To find the rolling resistance and the power is given as,
Q: Please ans question (d) & ( e)?
A: Given: Picture of the vibrating string is given Frequency f=775 Hz To find: (a) How many nodes do th...
Q: Using gauss law prove that the electric field at very close point out of charged conductor are given...
A: Gauss' Law states that the electric flux out of a volume is proportional to the charge contained ins...
Q: A cinema theatre has a volume of 750m2. What should be the total absorption in the theatre if the re...
A: A
Can you tell whether the net flux through the Gaussian surface is positive, negative, or zero? Explain.
[on the image]
A- direction of Area Vector
E- direction of Electric Field Point
Trending now
This is a popular solution!
Step by step
Solved in 2 steps