Chap. 27 Conceptual Modules Giancoli

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ConcepTest <strong>27</strong>.2d Photoelectric Effect IV A metal surface is struck with light of λ = 400 nm, , releasing a stream of electrons. If the light intensity is increased (without changing λ ), what is the result? 1) more electrons are emitted in a given time interval 2) fewer electrons are emitted in a given time interval 3) emitted electrons are more energetic 4) emitted electrons are less energetic 5) none of the above A higher intensity means a more photons, which in turn means more electrons. On average, each photon knocks out one electron.
ConcepTest <strong>27</strong>.2e A photocell is illuminated with light with a frequency above the cutoff frequency. The magnitude of the current produced depends on: Photoelectric Effect V 1) wavelength of the light 2) intensity of the light 3) frequency of the light 4) all of the above 5) none of the above
Page 1 and 2: ConcepTest 27.1 Photons Which has m
Page 3 and 4: ConcepTest 27.2a If the cutoff freq
Page 5 and 6: ConcepTest 27.2b A metal surface wi
Page 7 and 8: ConcepTest 27.2c A metal surface is
Page 9: ConcepTest 27.2d Photoelectric Effe
Page 13 and 14: ConcepTest 27.3a The speed of proto
Page 15 and 16: ConcepTest 27.3b An electron and a
Page 17 and 18: ConcepTest 27.3c An electron and a
Page 19 and 20: ConcepTest 27.3d An electron and a
Page 21 and 22: ConcepTest 27.4 Ionization How much
Page 23 and 24: ConcepTest 27.5a For the possible t
Page 25 and 26: ConcepTest 27.5b The Balmer series
Page 27 and 28: ConcepTest 27.6 Balmer Series When
Page 29 and 30: ConcepTest 27.7a Suppose there is a
Page 31 and 32: ConcepTest 27.7b Energy Levels II T
Page 33 and 34: ConcepTest 27.8 Rutherford Model Su

Chap. 27 Conceptual Modules Giancoli

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