Physics, 13.05.2021 23:50 yesharabaskoro
A 620 nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of 0.14 eV are emitted. (a) Determine the work function (in eV). eV (b) Determine the cutoff frequency of the surface (in THz). THz (c) What is the stopping potential (in V) when the surface is illuminated with light of wavelength 420 nm
Answers: 1
Physics, 21.06.2019 23:20
Acharge of 8.4x10^-4 c moves at an angle of 35 degrees to a magnetic field that has a field strength of 6.7x10^-3 t. if the magnetic force is 3.5 x10 ^-2 n, how fast is the charge moving?
Answers: 1
Physics, 22.06.2019 01:30
Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy
Answers: 1
Physics, 22.06.2019 11:30
(2) (a) you have a simple circuit that consists of only a battery (δvbat=1.5v) and two resistors with resistance r1=10ω and r2=5ω, connected in series with each other. what is the current running through the battery? (b) you re-arrange your circuit so now r2 is attached in parallel to r1 rather than in series. what is the current running through the battery? (c) you add an additional resistor r3=7ω on the same branch as r2. what is the current running through the battery? (d) what is the power dissipated in r3?
Answers: 3
Physics, 22.06.2019 15:00
Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of
Answers: 1
A 620 nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of 0.1...
Social Studies, 19.02.2021 04:40
Social Studies, 19.02.2021 04:40
Mathematics, 19.02.2021 04:40
English, 19.02.2021 04:40
Social Studies, 19.02.2021 04:40
Arts, 19.02.2021 04:40
Mathematics, 19.02.2021 04:40
Mathematics, 19.02.2021 04:40
Chemistry, 19.02.2021 04:40
Mathematics, 19.02.2021 04:40
History, 19.02.2021 04:40
History, 19.02.2021 04:40
Mathematics, 19.02.2021 04:40
Mathematics, 19.02.2021 04:40