What is EM Radiation by your own words?
Q: Calculate the wavelength of electrons accelerated from the rest state with the help of an electrical...
A: Given data, Electric potential applied on the electron = 15000 V
Q: Half ring uniformly charged with charge Q is placed on the 2nd and 3rd quadrant like you see in the ...
A: From the given figure, due to the symmetry of the charged half ring about the x axis, the electric f...
Q: Write Boltzmann’s equation for the one-particle distribution function f (r, k, t).
A:
Q: Define following 1. Attenuation2. Jitter3. Frequency 4. Phase5. Wavelength
A: ATTEUATION : when a wave ( any type ) move through a medium it, it interacts with the medium and lo...
Q: Find the displacement, velocity, kinetic energy, potential energy, and momentum of an object, noting...
A: Given in the question, The force on the object is, F=-kx From the force relation we understand that ...
Q: A rectangular corral of widths Lx =L and Ly =2L contains seven electrons. What multiple of h2/8mL2 g...
A:
Q: Which of the following can be used as wing covering in an aircraft? a) Manganese alloy b) Carbon c) ...
A: D
Q: A football player kicked a football 10 meters during a measured time of 1.5 seconds. Determine the ...
A:
Q: Two masses of 1g and 4g are moving with equal kinetic energy. The ratio of the magnitudes of their m...
A: P is equal to the square root of (2mK)
Q: An a.c. generator consists of a coil of 50 turns and an area 2.5 m2 rotating at an angular speed of ...
A: The current is zero when the coil is vertical. In this position, flux through the coil is maximum. O...
Q: If gravitational constant is decreasing with time, what will remain unchanged in case of a satellite...
A: B
Q: [11] An experimental balloon contains hydrogen gas (H2) at a temperature of 300K and a pressure of 1...
A:
Q: netic field of magnitud nat are (a) the particle
A: GIVEN : A particle moves along a circle in a region of uniform magnetic field of magnitude B = 4.4...
Q: A 500-N concrete block is to be lifted by the pair of tongs shown. Determine the smallest allowable ...
A: Given: The weight of the block to be lifted W = 500 N.
Q: The Mariana Trench is located in the Pacific Ocean and has a depth ofapproximately 11,000 m. The den...
A: Given Depth (h) = 11,000 m The density of seawater ρ = 1025 kg/m3 Radius...
Q: The Sun’s attraction of both earth and moon are external forces acting on the centre of mass of the ...
A: The moon moves around the earth in a circular orbit and the earth moves around the sun in an ellipti...
Q: For a chain reaction the following rate equation is obtained. Find the CB value.
A: The chain reaction initially starts with component A (at t=0) as more and more of it is converted in...
Q: Electric field is a _______ a) Scalar quantity b) Vector quantity c) Tensor quantity d) Quantity tha...
A: Vector
Q: A 100-lbm block of a solid material whose specific heat is 0.5 Btu/lbmR is at 80∘ ∘ F. It is heate...
A:
Q: A particle is moving under the action of two forces: (1) a central force (with the origin as the cen...
A: Option b is correct
Q: The entropy of the universe is continually on the increase. A. Correct B. Incorrect
A: The entropy is a measure of randomness or the level of disorder of the system. The symbol used to r...
Q: Calculate the efficiency of the Carnot Engine for ideal gas. Consider the figure below for a complet...
A: NOTE: Out of given multiple parts, we solve only first three parts unless specified. You can resend ...
Q: Solve this question
A: This student is not correct in making of the second statement.Which means the first statement is cor...
Q: Which of the following will improve the performance of a rocket engine? a) Decrease in gas temperatu...
A: Increase of chamber pressure P1 will help in performance improvement of the rocket engine. With the ...
Q: A spherical ball of mass 20kg is stationary at the top of a hill of height 100m. It rolls down a smo...
A: Total energy at 100m height = Total energy at 20m height mgh1= mgh2 + 1/2 mv2 v = √(2g(h1-h2)) = √(2...
Q: A particle undergoes simple harmonic motion with amplitude A. At what position(in terms of A) is the...
A: Given amplitude is A. The potential energy of the harmonic system is directly proportional to square...
Q: The wave function of the particle lies in which region? a) x > 0 b) x < 0 c) 0 < X < L d...
A: Option c
Q: A body can have energy without momentum. a) True b) False
A: Consider a ball is at rest on the table. Let m denotes the mass of the ball, h denotes the height of...
Q: For the system of four capacitors shown in the figure below, find the following. (Use C, = 7.00 µF, ...
A:
Q: A satellite orbiting the earth with speed v0. To make the satellite escape, what should be the minim...
A: The speed of the satellite is given as, vo TO DETERMINE: The percentage increase in its velocity to ...
Q: Answer
A: Introduction: For uniform juggle, D+FD+V=BH ...
Q: write a short note on Faurier transformation
A: In mathematics, a Fourier transform is a mathematical transform that decomposes functions depending ...
Q: Stars appears to move from east to west because A. all stars move from east to west B. the earth r...
A: Option b
Q: A body moves a distance of 10m under the action of force F = 10N. If the work done is 25 J, the angl...
A: W = Fscosθ 25 = 10×10cosθ Cosθ = 1/4 θ = cos(-1) 1/4.
Q: As the car slows down, the brake shoe and steel drum continuously absorbs 25 W. Assume a total outsi...
A: Option c
Q: A ball moves in a frictionless inclined table without slipping. The work done by the table surface o...
A: Option
Q: Consider a wave described by the equation: n(x, t) = a Cos [2rG- vt)]. (a is the amplitude of the wa...
A: Given: The expression of the wave is ηx,t=acos2πxλ-νt. Introduction: Wave frequency is the number of...
Q: When 0.010A current flows through a moving coil galvanometer, it gives full deflection. Then, it is ...
A: Option
Q: What is the property of retentivity in magnetic materials? a) After removal of external magnetic fie...
A: Option a
Q: A process, in which the gas is heated or expanded in such a way that the product of its pressure and...
A: Option b is right
Q: Statement: The amplitude of an oscillating pendulum decreases gradually with time. Reason: The frequ...
A: Option c
Q: Reaction paper of History of electricity
A: Electricity: Electricity was discovered by Benjamin Franklin whereas first invented by Michael Farad...
Q: A 1024-kg blue ball is dropped from an initial z-position of 3.9 x 106 m through the center of a pla...
A: Given, Gravitational Constant, G =6.67×10-11Nm2/kg2Mass of the planet, M =42×105kgRadius of the plan...
Q: Find the wave function and its energy by solving the Schrodinger equation below for the three-dimens...
A: We have given the Schrodinger equation; -ħ22m∂2∂x2+∂2∂y2 +∂2∂z2ψx,y,z = E ψx,y,zHere;∂2∂x2+∂2∂y2 +...
Q: If any force is applied in the direction of the positive x-axis, and there are three different point...
A: If you will apply the right hand rule on the system given then the right answer is the positive z-ax...
Q: A ball of mass 2kg and another of mass 4kg are dropped together from a 60feet tall building. After a...
A: Option c
Q: Which of the following law state that the total entropy of an isolated system will never decrease ov...
A: D
Q: According to _________________ induced emf is equal to rate of change of magnetic flux. a) Newton’s ...
A: According to Faraday law of electromagnetic induction, induced emf is equal to rate of change of mag...
Q: If two layers coincide & weights are symmetric(wij=wji), then what is that structure called?a) i...
A: Auto assosciative
Q: 11- part b please
A: Part (b) Given: The distance between objects is d=3.70 m. The frequency of ultrasound wave is f=115...
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