Light of a given wavelength is used to illuminate the surfacce of a metal, however, no photoelectrons are emitted. in order to cause electrons to be ejected from the surface of this metal you shoulda. use light of the same wavelength but increase its intensity. b. use light of a shorter wavelength. c. use light of the same wavelength but decrease its intensity. d. use light of a longer wavelength.
Answers: 1
Physics, 22.06.2019 12:00, stephanieboyd
Explain why electric current cannot exist if a current doesn't have a voltage source.
Answers: 2
Physics, 22.06.2019 17:40, cravens511peeelg
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
Physics, 22.06.2019 20:20, breannaasmith1122
Consider a file currently consisting of 200 blocks. assume that the file control block (and the index block in the case of indexed allocation) is already in memory. calculate how many disk i/o operations are required for contiguous, linked, and indexed (single-level) allocation strategies, for each of the conditions listed below. in the contiguous-allocation case, assume that there is not room to grow at the beginning but there is room to grow at the end. also assume that the block information to be added is stored in memory.
Answers: 3
Light of a given wavelength is used to illuminate the surfacce of a metal, however, no photoelectron...
Mathematics, 26.10.2020 19:40
Mathematics, 26.10.2020 19:40
Mathematics, 26.10.2020 19:40