Purchase Solution

Light Energy and Speed

Not what you're looking for?

Ask Custom Question

1. What is your evidence that light carries energy?

2. It takes light 8 minutes to get to earth from the sun. The sun is 150,000,000,000 meters away. What is the speed of light in meters per second?

Purchase this Solution
Solution Summary

This solution is provided in 419 words and provided in an attached .doc and .pdf file. It includes photos and references to further learning. The relation of light and energy is discussed in terms of heat and Crookes' radiometer, and the speed of light is calculated.

Solution Preview

Hello and thank you for posting your question to Brainmass!

The explanation is attached below in two files. The files are identical in content, only differ in format. The first ...

Purchase this Solution
Free BrainMass Quizzes
Basic Physics

This quiz will test your knowledge about basic Physics.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

The Moon

Test your knowledge of moon phases and movement.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

View More Free Quizzes
Related BrainMass Solutions

  • Calculating Frequency and Energy

    For any wave the product of wavelength and frequency is the speed of the wave; in this case that speed is the speed of light.

  • Postulates of the Special Theory of Relativity

    Mass-energy equivalence Mass-energy equivalence means that the mass of a body is a measure of its energy. It is defined by the equation E = mc2 Where E is the energy, m is the mass and c is the speed of the light 4.

  • Electrostatic and Circuits Problems

    Equating (1.2) and (1.3) and solving for the speed we get: mv^2 / 2 = q_V v^2 = 2qV / m v = √2qV / m and in units of the speed of light: b = v / c = 1 /c and in units of the speed of light:2qV / m In this case we have an electron, so

  • Photoelectric effect and work function of metal

    (a) A sample of Ca is irradiated with green light. Are electrons ejected? Justify. (b) A sample of Ca is irradiated with light of wavelength 4.10 x 10^-7 m, and electrons are ejected. What is the speed, in m/s, of these electrons?

  • Mass Converted per Hour Speed of an Alpha Particle

    What must be the speed of an alpha particle that has the same momentum as a neutron traveling with a speed v = 0.90c? The mass of the alpha is malpha= 6.64 X 10^-27kg, and the mass of the neutron is mneutron=1.67 X 10^-27 kg. 3.

  • DeBroglie Equation Problems

    c is the speed of light (2.998x108 m/s) DeBroglie Equation Problems are solved and explained. The mass of one photo on a wavelength of light is determined.

  • Wavelength of Electrons

    For any wave the product of wavelength and frequency is the speed of the wave; in this case that speed is the speed of light.

  • Photon of Light Energy Levels

    158993 Photon of Light Energy Levels A photon of light has energy of 3.66 x 10-19 J. Calculate the frequency and wavelength of this photon of light. Hello and thank you for posting your question to Brainmass.

  • a collection of physics questions

    B) Radio waves have less energy and travel slower than visible light C) Radio waves have less energy and travel faster than visible light D) Radio waves travel at the same speed as visible light 11.

View More Related Solutions