What is the total energy of the pulse

Assignment Help Physics
Reference no: EM13298820

A pulse from a ruby laser (lambda = 694.3 nm) has an average power of 20 MW and lasts 2.3 ns.

What is the total energy of the pulse?

J

How many photons are emitted in this pulse?

Reference no: EM13298820

Questions Cloud

What are the equivalent units of production for conversion : In May, the company started 445,300 and completed 427,500 units. May's ending inventory was 30 percent complete as to conversion.
Explain soda bottle at room temperature : Refrierators are usually kept at about 5 degrees Celcius, while room temperature is about 20 degrees Celcius. If you were to take an "empty" sealed 2 liter soda bottle at room temperature and place it in the fridge, would you expect it to contract..
Find area of steel reinforcement required for concrete tbeam : Find the area of steel reinforcement required for a concrete T-beam for the following data; f'c = 3 ksi, fy=60 ksi,d=18 in, t= 4.5 in., bw= 10 in., bf= 36 in., 3/4" aggregate, and the section sustains a total factored bending moment 82 k-ft.
How much would it cost to buy such an annuity today : My aunt is about to retire and she wants to buy an annuity that will supplement her income by $65,000 per for 25 years beginning a year from today. The going rate on such annuities is 6.25%. How much would it cost to buy such an annuity today?
What is the total energy of the pulse : A pulse from a ruby laser (lambda = 694.3 nm) has an average power of 20 MW and lasts 2.3 ns. What is the total energy of the pulse
Calculate kp of a reaction : Chemists studied the formation of phosgene by sealing 0.73 atm of carbon monoxide and 0.98 atm of chlorine in a reactor at a certain temperature. The pressure dropped smoothly to 1.32 atm as the system reached equilbrium.
Concerning an international business law issue : locate a current event concerning an international business law issue. Unfortunately, in this day and age there seem to be many from which to choose. The event should be no more than 60 days old.
Explain the volume become if the temperature dropped : A balloon was filled to a volume 2.50 L when the temperature was 30.0 degrees C. What would the volume become if the temperature dropped to 11.0 degrees C
What is the ratio of these two gravitational pulls : What is the ratio of these two gravitational pulls? (An approximate answer is fine, since, for example, the distance to your friend is likely to change frequently.)

Reviews

Write a Review

Physics Questions & Answers

  What coordinate on x axis is the electric field produced

A passenger train is travelling at 31 m/s when the engineer sees a freight train 351 m ahead of his train travelling in the same direction on the same track. The freight train is moving at a speed of 5.6 m/s.

  Find the electric flux through the gaussian surface

Consider a spherical Gaussian surface and three charges: q1 = 1.62?C , q2 = -2.45?C , and q3 = 3.57?C . Find the electric flux through the Gaussian surface

  What is the bullets speed as it left the barrel

The potential at the center of a uniformly charged ring is 52 kV, and 15 cm together the ring axis the potential is 41 kV. Find the ring's radius and its total charge.

  Find the self-induced emf in the solenoid

A technician wraps wire around a tube of length 37 cm having a diameter of 8.3 cm. If the current in this solenoid increases at the rate of 2 A/s, what is the self-induced emf in the solenoid

  Calculate how tall is the building

A stone is thrown from the top a tall building with initial velocity of 25 m/s, directed at an angle of 30 degrees above the horizontal. how tall is the building

  For what finite value of x is the electric field zero

A charge +q is at the origin. A charge -2q is at x = 8.50 m on the +x axis, For what finite value of x is the electric field zero

  Find out the final speed of both vehicles after collision

A 779-kg car stopped at an intersection is rear-ended by a 1820-kg truck moving with a speed of 15.0 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find out the final speed of both vehicles ..

  A spelunker is surveying a cave

The dummy in a crash test has a head of mass 3 kg. The dummy is strapped in firmly so that the body does not move. The car's forward speed changes from 24 m/s to zero in 0.23 s.

  Determine the object distance

A concave mirror (f = 49 cm) produces an image whose distance from the mirror is one-fourth the object distance. Determine the object distance.

  Determine the internal resistance of the battery

The cockroach finds a bread crumb on the rim and, of course, stops. What is an angular speed of the lazy Susan after the cockroach stops.

  How many electrons make up this charge

A sphere is charged with electrons to ?1 × 10^-5 C. How many electrons make up this charge

  What was the change in the potential energy

A uniform electric field of magnitude 271 V/m is directed in the negative x direction. A +12.7 ?C charge moves from the origin to the point (x, y) = (15.5cm, 46.0 cm). What was the change in the potential energy of this charge?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd