What is the power of the light source

Assignment Help Physics
Reference no: EM13253877

You want a screen to be illuminated with an intensity of 662 mW/m2. The screen is 10.05 m away from the light source, which is a bare light bulb radiating light in all directions.

What is the power of the light source?

W

What is the rms value of the electric field at the screen?

__________V/m

Reference no: EM13253877

Questions Cloud

Find that is the force attractive or repulsive : Two long, parallel wires separated by 4.50 cm carry currents in opposite directions. The current in one wire is 1.20 A, and the current in the other is 3.45 A. Is the force attractive or repulsive
Find collector current for a bjt circuit : A BJT is operating at a collector current of 1mA ,when Vce=1v and it has early voltage of 75v.If Vce is increased to 11v,find collector current
Explain what is n6 the molar flow rate of the recycle stream : What are the mole fractions of C6H6 (x1), C3H6 (x2), O2 (x3) and N2 (x4) in the fresh feed stream. What is n6, the molar flow rate of the recycle stream
Find the gravitational field strength on the other planet : A pendulum clock has a period of 0.683 s on Earth. It is taken to another planet and found to have a period of 0.828 s, Find the gravitational field strength on the other planet.
What is the power of the light source : You want a screen to be illuminated with an intensity of 662 mW/m2. The screen is 10.05 m away from the light source, What is the power of the light source
Define carbon tetrachloride is a useful solvent : carbon tetrachloride is a useful solvent for both IR absorption and Raman spectroscopy because it has few vibrational modes
State which has no effect on the rate of a chemical reaction : What is a variable which has no effect on the rate of a chemical reaction under any circumstance is
What is the length of the pendulum : A clock has a pendulum that performs one full swing every 1.5 s (back and forth).  What is the length of the pendulum
Find the internal induced voltage and torque angle : Find the input torque to the generator.If armature current and field current are kept constant, find the new value of the terminal voltage if the power factor is changed to 0.7 lagging.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

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