Estimate the intensity of the laser beam

Assignment Help Physics
Reference no: EM13496509

A laser emits a narrow beam of light. The radius of the beam is 1.5 mm, and the power is 2.9 mW. What is the intensity of the laser beam?

Reference no: EM13496509

Questions Cloud

What is the amount of income tax provision : What amount of deferred tax assets or deferred tax liabilities are on the two most recent years on the balance sheet?
On which stocks should you put a sell order in : You know that there are informed traders in the stock market, but you are uninformed. Describe an investment strategy that guarantees that you will not lose money to the informed traders and explain why it works.
What is the resistance of each bulb : Eight 6.5 -W Christmas tree lights are connected in series to each other and to a 120 -V source. What is the resistance of each bulb
Explain the flask and its contents weigh 346.3 g : An Erlenmeyer flask weighs 148.8 g when empty. When filled with water (d = 1.00 g/cm^3), the flask and its contents weigh 346.3 g.
Estimate the intensity of the laser beam : A laser emits a narrow beam of light. The radius of the beam is 1.5 mm, and the power is 2.9 mW. What is the intensity of the laser beam
How much power is dissipated in the wiring : An air conditioner draws 15 A at 220-V ac. The connecting cord is copper wire with a diameter of 1.446 mm. how much power is dissipated in the wiring
How to calculate the volume of water vapor : Assuming the volumes of all gases in the reaction are measured at the same temperature and pressure, calculate the volume of water vapor obtainable by the explosive reaction of a mixture of 725 mL of hydrogen gas and 325 mL of oxygen gas.
What is the tension in the part of the cord : one block has a mass M = 500 g, the other has mass m = 460 g, and the pulley, which is mounted in horizontal frictionless bearings, has a radius of 5.00 cm. What is the tension in the part of the cord that supports the lighter block
Explain what is the equilibrium concentration of hno2 : Nitrous acid, HNO2, is a weak acid that is partially dissociated (broken apart) in aqueuous solution. What is the equilibrium concentration of HNO2 if the extent of dissociation in 2.00M HNO2 is 0.58%. The equilibrium equation is shown below.

Reviews

Write a Review

Physics Questions & Answers

  Find the frequency for the optical mode at band center

Consider a 1-D NaBr lattice. The frequency at the optical mode at k=pi/a is f=10.1THz. find the frequency for the optical mode at band center (k=0)

  Write down the system of disparity equations

What is the minimal mass of helium (density 0.18) needed to lift a balloon carrying two people in a basket, if the total mass of people, basket, and balloon (but not gas) is 320.

  What was the initial speed of the rock

A rock is thrown downward into a well that is 8.90 deep. If the splash is heard 1.20 seconds later, what was the initial speed of the rock? Take the speed of sound in the air to be 343 m/s.

  Question1the pilot of the aircraft wishes to fly due west

question1the pilot of the aircraft wishes to fly due west in a 48.5 kmh wind blowing toward the south. the speed of an

  Which direction is the frictional force

A 1.6kg chicken is blown into a wall by a strong gust of wind, Which direction is the frictional force

  What is the pressure at the bottom due to the water

A rectangular fish tank measures 20 cm by 60 cm by 40 cm high. The tank is filled with water to a depth of 37 cm. What is the pressure at the bottom due to the water

  Q1 a 104-kg cylinder rolls without slipping on a rough

q1. a 10.4-kg cylinder rolls without slipping on a rough surface. at an instant while its center of gravity has a speed

  Find out the divers speed while striking the water

A car traveling at 93km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.75 m. What was average acceleration of the driver during the collision? Express the answer in terms of "g's," where 1.00g ..

  Q1 a 10000 kg railroad car is rolling at 2 ms when a 400 kg

q1. a 10000 kg railroad car is rolling at 2 ms when a 400 kg load of gravel is suddenly dumped in. what is the railroad

  Calculate the mass of a molecule of this gas

A sample of an ideal gas is at a temperature of 300 K. The rms molecular speed at this temperature is measured as 1368 m/s. Calculate the mass of a molecule of this gas

  How far over does it land on the ground

A soccer ball lying on the ground is kicked with an initial velocity of 10.0 m/s at an angle of 37 degrees above the horizontal

  What is the tension of string

A 73 trampoline artist jumps vertically upward from the top of a platform with a speed of 4.0. If the trampoline behaves like a spring of spring constant 6.2×104, how far does he depress it.

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