Physics, 05.02.2020 11:59 milkshakegrande101
If the work function for a certain metal is 1.8ev, what is the stopping potential for electrons ejected from the metal when light of wavelength 400nm shines on the metal? and what is the maximum speed of the ejected electrons?
Answers: 2
Physics, 21.06.2019 17:30
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j ?
Answers: 2
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 22.06.2019 14:00
Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3
Answers: 3
Physics, 22.06.2019 14:30
Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
Answers: 1
If the work function for a certain metal is 1.8ev, what is the stopping potential for electrons ejec...
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