Describe the energy source of the sun and the properties of sun light that it radiates.
Describe the energy source of the sun and the properties of sun light that it radiates.
A monochromatic light source with a power output of 69.0 W radiates light of wavelength 780 nm uniformly in all directions. Part A Calculate Bmar for the light at a distance of 4.00 m from the source IV AEP O 2 ? Bar = Bmas = Submit Request Answer Part B Calculate Emas for the light at a distance of 4.00 m from the source. FAQ R O 2 ? Emax = v/m V/ Submit Request Answer Provide Feedback
A tiny light source was placed in free space and radiates isotropically produces an magnetic field amplitude of 3.77×10−9 T at a point 72 m from the source. What is the power output from the source ? (c = 3.00 × 108 m/s, μ0 = 4π × 10-7 T ·m/A, ε0 = 8.85 × 10-12 C2/N · m2)
49. The sun radiates energy at the rate of 3.85 X 1026 W. Suppose the net reaction accounts for all the energy released. Calculate the number of protons fused per second. Note: Recall that an alpha particle is a helium-4 nucleus. 49. The sun radiates energy at the rate of 3.85 X 1026 W. Suppose the net reaction accounts for all the energy released. Calculate the number of protons fused per second. Note: Recall that an alpha particle is a...
2a: The Earth is 1.5 x 10 from the Sun which radiates energy with an average power of 3.83 x 10 W. Determine the average intensity (the magnitude of the Poynting vector) of sunlight reaching the Earth. b:Deterine the average magnitudes of and B of the sunlight at the Earth e: A perfectly absorbing piece of wood of area 4m2 is perpendicular to the sunlight. How much energy is absorbed by the woodin 100s? d: What would be the force...
A star radiates 3.75 times less power than the Sun. What is the ratio of the temperature of the star to that of the Sun? Assume the star and the Sun have the same radius.
Part A A 100-watt light bulb radiates energy at a rate of 100 J/s. (The watt, a unit of power or energy over time, is defined as 1 J/s.) If all of the light emitted has a wavelength of 525 nm, how many photons are emitted per second? Express your answer to three significant figures. X 10 radiation- photons per second Submit Previous Answers Request Answer X Incorrect: Try Again; 12 attempts remaining Part B The energy required to dislodge...
A "luminous" object is one like the Sun, that is a source of light. We understand that ALL Objects that are at some temperature are luminous. They emit infrared light that is beyond what we can see. The Sun is so hot that it also emits visible light. For now, assume that when we talk about a luminous object, that we mean one, like a flashlight or the Sun, that emits visible light. TRUE or FALSE: An object must be...
A sound wave radiates from a source in all directions. If thepower of the sound source is 200 watts, then the intensity level ofthe sound wave 100m from the source is, in dB
Review Part A Assume that a 7.0-cm-diameter, 130 W light bulb radiates all its energy as a single wavelength of visible light Estimate the electric field amplitude at the surface of the bulb Express your answer to two significant figures and include the appropriate units. B- 1 Value Units Submit Request Answer Part B Estimate the magnetic field amplitude at the surface of the bulb Express your answer to two significant figures and include the appropriate units. BValue Units Submit...
1. Describe the electron source, the carbon source, and the energy source for the following organisms: Photolithoautotroph, chemoorganoheterotroph, chemolithoautotroph