Why do you think the inside of a car feels so much warmer than its surroundings on sunny days? How could you use the sim to test your ideas? Construct a brief explanation on a microscopic level using photons.
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Why do you think the inside of a car feels so much warmer than its surroundings on sunny days?
- How could you use the sim to test your ideas?
- Construct a brief explanation on a microscopic level using photons.
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- As you may well know, placing metal objects inside a microwave oven can generate sparks. Two of your friends are arguing over the cause of the sparking, with one stating that the microwaves "herd" electrons into "pointy" areas of the metal object, from which the electrons jump from one part of the object to another. The other friend says that the sparks are caused by the photoelectric effect. Prove or disprove the latter idea using basic physics. Suppose the typical work function of the metal is roughly 3.630 × 10-19 J. Calculate the maximum wavelength in angstroms of the radiation that will eject electrons from the metal. wavelength: ÅPart A Estimate the number of photons emitted by the Sun in a year. (Take the average wavelength to be 550 nm and the intensity of sunlight reaching the Earth (outer atmosphere) as 1350 W/m².) VE ΑΣΦ 3.74 10 ● Submit ? Previous Answers Request Answer photons/yrThis question relates to the practicality of searching for intelligent life in other solar systems by detecting their radio broadcasts (or aliens find us from ours). The closest stars are 4 light years away from us. How far away must you be from a 460 kHz radio station with power 50.0 kW for there to be only one photon per second per square meter? Assume that the photons spread out spherically. The area of a sphere is 4??24πr2. b) How many lightyears away is this?
- What is the wavelength in meters of a photon generated by an electron going from n = (8.000x10^0) to n= (1.00x10^0)? Answer to 3 significant figures and in scientific notation. Sorry about the two n values, I can either do scientific notation need for the answer or you have to enter the answer without scientific notation. I can't change between them. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer x10 unitsplease if you can write pen and scan clear to read. very gratefull.I have the answers for a-c. For a, the answer is 7.29 x 10-3 C. For b, the answer is 656 nm and c is 122 nm. Can you please help with d and e? Thank you.