A 0.60 mW laser produces a beam of light with a diameter of 2.0 mm ....
A 0.60 mW laser produces a beam of light with a diameter of 2.0 mm .
1.What is the average intensity of this beam? Iav = ___kW/m2
2.At what distance does a 160 W lightbulb have the same average intensity as that found for the laser beam in part (a)? (Assume that 5.0% of the bulb's power is converted to light.) r=___cm
Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
A 0.60 mW laser produces a beam of light with a diameter of 2.0
mm ....
A 0.60 mW laser produces a beam of light with a diameter of 1.7 mm ....
A 0.60 mW laser produces a beam of light with a diameter of 1.7 mm . the average intensity of this beam 0.26 kW/m2 At what distance does a 130 W lightbulb have the same average intensity as that found for the laser beam in part (a)? (Assume that 5.0% of the bulb's power is converted to light.)Express your answer using two significant figures. r=__________cm
A 2.0 mW laser produces a beam of light with a diameter of 2.7 mm shines...
A 2.0 mW laser produces a beam of light with a diameter of 2.7 mm shines its light on a perfectly absorbing surface. How much energy does the surface receive in 14 s ? What is the radiation pressure exerted by the beam?
A low-power laser used in a physics lab might have a power of 0.60 mW and...
A low-power laser used in a physics lab might have a power of 0.60 mW and a beam diameter of 3.3 mm. (a) Calculate the average light intensity of the laser beam. _________________ W/m2 (b) Compare it to the intensity of a light bulb producing 40 W light viewed from 2.4 m. Ilaser / Ibulb = ___________
A laser emits a cylindrical beam of light 2.0 mm in diameter. Part A If the...
A laser emits a cylindrical beam of light 2.0 mm in diameter. Part A If the average power of the laser is 2.2 mW , what is the rms value of the electric field in the laser beam? Express your answer using two significant figures. Erms = kV/m
You are standing 2.0 m from a 150-W lightbulb A - If the pupil of your...
You are standing 2.0 m from a 150-W lightbulb A - If the pupil of your eye is a circle 5.0 mm in diameter, how much energy enters your eye per second? (Assume that 5.0% of the lightbulb's power is converted to light.) B - Repeat part A for the case of a 1.0-mm-diameter laser beam with a power of 0.60 mW .
A helium-neon laser emits a 2.0-mm-diameter laser beam with a power of 2.0 mW . Part...
A helium-neon laser emits a 2.0-mm-diameter laser beam with a power of 2.0 mW . Part A What is the amplitude of the electric field of the light wave? Express your answer with the appropriate units. Part B What is the amplitude of the magnetic field of the light wave? Express your answer with the appropriate units.
A laser emits a narrow beam of light. The diameter of the beam is 3 mm,...
A laser emits a narrow beam of light. The diameter of the beam is 3 mm, and the power is 10 mW. What is the intensity of the laser beam? The answer is 1400 W/m^2. Please show step by step how to get the answe to this problem showing formulas.
A He-Ne laser beam has power 1 mW and beam diameter 1 mm. Determine the electric...
A He-Ne laser beam has power 1 mW and beam diameter 1 mm. Determine the electric field amplitude in the light wave, assuming that the light intensity is uniform across the beam profile.
Laser Safety A 0.90 mW laser emits a narrow beam of light that enters the eye....
Laser Safety A 0.90 mW laser emits a narrow beam of light that enters the eye. (A) How much energy is absorbed by the eye in 0.20 s? (B) The eye focuses this beam to a tiny spot on the retina, perhaps 5.0 μm in diameter. What is the average intensity of light at this spot? (C) Damage to the retina can occur if the average intensity of light exceeds 1.0×10−2W/cm2. By what factor has the intensity of this laser...
A laser emits a cylindrical beam of light 2.6 mm in diameter. If the average power...
A laser emits a cylindrical beam of light 2.6 mm in diameter. If the average power of the laser is 2.6 mW , what is the rms value of the electric field in the laser beam? (Units for the answer is kV/m)
A He-Ne laser beam has power 1 mW and beam diameter 1 mm. Determine the electric field amplitude in the light wave, assuming that the light intensity is uniform across the beam profile.
Most questions answered within 3 hours.
-
Assume a class has 19 members.
a. In how many ways can a president, a vice...
asked 50 seconds from now -
Claim: At most 81% of adults do not have hypertension. When 869
randomly selected adults were...
asked 1 minute ago -
2. Construct a business plan for your proposed business in
question 1, paying particular attention to:...
asked 1 minute ago -
offering the survey (maybe via smart phones) is a good idea?
why?
asked 4 minutes ago -
Implement a Full Adder with two 4x1 Mux and the MSB as possible
inputs of the...
asked 7 minutes ago -
1. Choose a work situation in which you were required to do a
lot of creative...
asked 8 minutes ago -
An aqueous solution of barium hydroxide is
standardized by titration with a 0.196 M solution
of...
asked 48 minutes ago -
accorsing to the data from thw college board, the mean wuantitive
Sat score for s demale...
asked 1 hour ago -
1- What are 5 general characteristics of Botticelli’s
paintings?
2- Describe 5 important traits of Flemish...
asked 3 hours ago -
A golfer claims that his average golf score at the course he
plays regularly is less...
asked 3 hours ago -
On May 1, First Bank perfected a security interest in Debtor’s
inventory. On June 1, Bob...
asked 4 hours ago -
A new kind of typhoid shot is being developed by a medical
research team. The old...
asked 6 hours ago