A pulsed laser emits photons of wavelength 780nm and if the energy of the pulse is 2x10-10 J, find the number of photons in each pulse.

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Q: 1- tind R for P=120W 4 I 4 A? %3D 2- find V for P= 64 w 4 R: 8 ?

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A: Given for worker A, the magnitude of the force is 850 N, the angle of elevation is 30° and the…

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A: GivenQ1=300 BtuT1=900 RW=160 BtuT2=540 R

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A: Given, yx,t=0.05sin4πxcos60πt

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…

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

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

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Q: A projectile is fired with an initial velocity of 400 m/s hits a cliff 2000 meter apart determine…

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Q: 2. F = e²i+yj + x²yk, A. y²i2zy2j-e²k B. x²i-2y2j-e²j C. y²i-2z2j-e²k D. z²i2zy2j+e²k E.…

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

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Q: A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center (the figure…

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

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Q: 43. The pnrabolic coordinates (.n) are related to the Cartesian coordinate (x, y) by x = En and y…

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

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

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