A photon of wavelength of 1400Å is absorbed by an atom and two other photons are emitted. If one of these is an 1850Å, what is the wavelength)of the second photon? Note: 1 angstrom = 0.1 nanometers 1 Å =0.1 nm %3D

Q: The block of mass 10.0-kg is at rest initially and attached to a spring, and the spring constant is…

A:

Q: spring has static equilibrium the weight is given suddenly an initial velocity of (50 cm/sec)…

A:

Q: 48. A particle of m moves along x axis under the action of a foce J. Its motion is described by the…

A: F=-2kx3f=-dvdx=2kx3v(x)=2k∫dxx3=-kx2 KE=12mv2=12mdxdt2

Q: The Toad foom hay del Alant on Vanies of minimum. maximum Two capacitics have 10000 KW 35006 Kw…

A:

Q: Q6:The block shown in fig.(3) weighs 5N and is held up by the water jet issuing (20M.) from the…

A: Given that: Weight of the block, W=5N Flow rate,Q=1.6lit/s=1.6*10-3 m3/s Diameter of the nozzle,…

Q: 4- Two series of sound waves, the length of the first (3.5 m) and the second (3.4 m), overlapped, so…

A: Given information: The wave length of the waves: λ1=3.5 mλ2=3.4 m The beats heard per sec (nb) =…

Q: The x and y components of the acceleration of gravity (g) are:

A: Acceleration due to gravity acts directly downward direction

Q: Q4:-Find the kinetic energy of a proton whose de Broglie wavelength is 1.00fm= 1.00x10-15 m. [rest…

A:

Q: Problem 1: (a) Derive the relation of the shortest wavelength limit of X-rays generated with the…

A: (a) X-rays are commonly produced  by accelerating electrons through a potential difference (a…

Q: B. What is the power radiated from a nude body 1.75m² in the area

A: Solution:-Given thatBody surface area (A)=1.75 m2Normal body temperature (T)=37°C=37+273=310…

Q: A long, straight metal rod has a radius of 6.00 em and a charge per unit length of 26.2 nCm. Find…

A: Given data: -  The radius of the straight metal rod is R = 6.00 cm. The charge per unit length is λ…

Q: 1- Work done by friction (a) increases kinetic energy of body (c) increases potential energy of body…

A:

Q: What is the relationship between the reciprocal lattice and Bragg's law? prove that Bragg's law is…

A:

Q: the probability that a state located at the bottom of the conduction band is filled in non-…

A: For an intrinsic semiconductor, the fermi level lies exactly in the mid way of the two bands. The…

Q: A block of mass m = 18 kg is suspended by a cable of negligible mass as shown in the figure below.…

A:

Q: sample of blood of density 1060 kg/m^3* is flowing at a velocity of 0.2 m/s through a blood vessel…

A:

Q: Points A (at (2, 3) m] and B [at (5, 7) m] are in a region where the electric field is uniform and…

A: The potential difference is defined as V = E→.dr→

Q: A car is approaching at a traffic light at a speed of 15 m per second When the light turns red, the…

A:

Q: Determine the coefficient of linear expansion if the length of metal change from 10- 10.02 m and the…

A: 1. Given Length of metal change = 10 - 10.02 m Temperature                   = 30 - 80 K

Q: Consider a semiconductor bar with w 0.1 mm, d 10 µm and L-5 mm. for B-104 Wb/cm², and a current of 1…

A:

Q: We have an electrical circuit whose different elements are connected to an alternating current…

A: The electric field is a vector quantity that arises from electric charge. It also corresponds to…

Q: Q1\Given two vectors P=2ax-ay + 3a, and Q = 4ax +3ay + 3a, find 1- a unit vector perpendicular to…

A:

Q: Problem no1: Canon located on the tower at the sea side has fired the canon-ball of weight 15 kg…

A:

Q: Find 1. the center of mass for this circle? 2. The moment of inertia about the Z axis

A: The center of mass of a sector of radius 'r' subtending an angle 2θθ at the center is given by,  z =…

Q: Q2/(1) If a-i+2j- 3k and 5 4i+7k, then 2d+35 in zerms of i, j, and k is Ji + 2j +4k. 3M (a) True,…

A: Given  Vector a = i + 2 j - 3k Vector b = 4i + 7 k We have to find vector  2a + 3b in terms of i, j…

Q: An aeroplane is flying horizontally with a velocity of 216 kmh' and at a height of 1960 m. When it…

A:

Q: The kinematic equation of a material point motion has the form x = A + Bt + Ct², where

A: The position of particle is x=A+Bt+Ct^2   =1.7+5.6t+3.1t^2

Q: 5. A particle of mass M = 102" Kg decays, while at rest, into a particle of mass m = 4x 10-28 %3D Kg…

A: Given a particle of mass M=10-27kg =10×10-28kg decays into a  particle of mass  m=4×10-28kg

Q: 06 what we mean by conservation of angular momentum for system of particle motion?

A: It is asked conservation of angular momentum for system of particle motion:

Q: Q2) If the volume charge density in space is specified as -20*Epsilon_not*sqrt(y) MC/m^3;where the…

A:

Q: Find the time of 0.5N dynamic force acting on 30 mg of blood of a giving upward with a velocity…

A: Concept: A force is an influence that can alter an object's motion. An object with mass can change…

Q: In rock samples, the C^14 activity measured 12 mC (12 millicurie). C^14 half-life 5730 year.…

A: In radioactive decay, the substance having unstable nuclei emits radiation and loses energy. It…

Q: Which one has a quantum energy and a standard function? And why? An isolated free particle or a…

A: We have to find which has quantized energy and standard wave function a particle on a nano wire or a…

Q: Generalised potential for a system is U (q,4)= (9+ġ)' .corresponding generalised 2 11. force is :…

A: Force on a system is defined as gradient of potential.

Q: Q6- In plaster mold we use plaster as expendable material, what are the additional material use in…

A: The additional material which we used in plaster molding is ,Gypsum , water ,Magnesium oxide .

Q: Example 4 A satellite is revolving round is projected from the satellite in forward direction with…

A: Below is the detailed solution M= Mass of earth