Laser is utilizes in eye surgery to weld detached retina

Assignment Help Physics
Reference no: EM13659554

A laser is utilizes in eye surgery to weld a detached retina back into place. The wavelength of the laser beam is 517 nm, while the power is 1.25 W. Through surgery, the laser beam is turned on for 0.0539 s. Through this time, how many photons are emitted by the laser?

Reference no: EM13659554

Questions Cloud

A slide projector has a converging lens : A slide projector has a converging lens whose focal length is103.00 mm. How far from the lens must the screen be located if a slide is placed 105 mm from the lens? If the slide measures 21.0 mm× 37.0 mm, what are the dimensions (in mm) of its image?
Kinetic energy of the spinning block after string unwinds : Think about an equipment setup the same as in this lab: A cube of mass M=500g and side length 30mm is free to spin on an axis through the center of one face. A mass less pulley on this axis has a diameter of 2r=10mm. Discover the kinetic energy of th..
Cosmic ray proton strikes earth near equator by vertical : A cosmic ray proton strikes the earth near the equator by a vertical velocity of 2.8*10^7 m/s. suppose that the horizontal component of the earth's magnetic field at the equator is 30 uT. Compute the ratio of the magnetic force on the proton to the g..
Utilize the bohr model as needed : What is the minimum potential difference that should be applied to an X-ray tube to knock a K-shell electron completely out of an atom in a nickel (Z = 28) target? Utilize the Bohr model as needed.
Laser is utilizes in eye surgery to weld detached retina : A laser is utilizes in eye surgery to weld a detached retina back into place. The wavelength of the laser beam is 517 nm, while the power is 1.25 W. Through surgery, the laser beam is turned on for 0.0539 s. Through this time, how many photons are em..
What happens if the dime is on a wet surface : With a little effort, you can blow across a dime on a table and make it land in a cup without touching either cup or dime (tryit). Describe how the dime is lifted.
What is the interference pattern generated from three slits : What is the interference pattern generated from three slits? The slit separation is, hand they are a distance, d from the screen. Utilize complex notation to solve this problem.
A flat sheet of crystalline quartz has a thickness : A flat sheet of crystalline quartz has a thickness of 3.5 cm. It is on top of a flat sheet of diamond that has a thickness of 2.0 cm. Light strikes the crystalline quartz vertically and travels through hit and then during the diamond.
An astronaut at rest on earth has a heartbeat rate : An astronaut at rest on Earth has a heartbeat rate of 70 beats/min. When the astronaut is traveling in a spaceship at 0.87c, what will this rate be as measured by the following. An observer also in the ship

Reviews

Write a Review

Physics Questions & Answers

  Find the wheels angular acceleration as it slowed down

At time t=0 a grinding wheel has an angular velocity of 25.0rad/s . It has a constant angular acceleration of 35.0rad/s^2 until a circuit breaker trips at time t = 2.00s. What was the wheel's angular acceleration as it slowed down

  Find the resultant direction of force on the ring

Four ropes, all at right angles to each other, pull on a ring. the force N, W; and D= 20N, S. Find the resultant direction of force on the ring

  Compute the magnifying power of the telescope

An elderly sailor is shipwrecked on a desert island, but manages to save his eyeglasses. What is the magnifying power of the telescope he can construct with these lenses

  What is the new speed of the car on the hill

A car weighing 8600 N moves along a level highway with a speed of 70 km/h. The power of the engine at this speed is 66 kW. what is the new speed of the car on the hill

  If the linear coefficient of expansion of the wood is 60

a solid wood door 1.04 m wide is hung in a metal door way at 0.0degc with a clearance of 2.2 mm on the side. if the

  What is the speed of the two cars after the collision

In the railroad freight yard, an empty freight car of massm rolls along a straight level track at 1.1 m/s and collides with an initially stationary,fully loaded boxcar of mass 3.9m.The two cars couple together upon collision.

  Discover the angle that the rod makes with the horizontal

A uniform 1.2-kg rod that is0.73 m long is suspended at rest from the ceiling by two springs, one at each end of the rod. Both springs hang straight down from the ceiling. The springs have identical lengths when they are unscratched. Their spring con..

  Find the velocity of the second object after the collision

Moving to the right is postive. A 9.1 g object moving to the right at 17 cm/s makes an elastic head on collision with a 20 g object moving in the opposite direction at 19 cm/s. Find the velocity of the second object after the collision

  How far horizontally from the left edge will electron strike

a uniform, upward electric field of magnitude 1.60 x 103 N/C has been set up between two horizontal plates by charging the lower plate positively and the upper plate negatively. How far horizontally from the left edge will the electron strike

  Calculate the pulling force being exerted by the person

Someone is pulling a suitcase through an airport at constant speed. The handle of the suitcase makes an angle of 55 degree with the horizontal. what is the pulling force being exerted by the person parallel to the handle

  Find the length of the pendulum wire at the equator

A pendulum is made up of a 2.0 kilogram mass suspended on thin aluminum wire. Find the length of the pendulum wire at the equator

  Monochromatic light falls on two very narrow slits 0053 mm

question monochromatic light falls on two very narrow slits 0.053 mm apart. successive fringes on a screen 5.60 m away

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