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D. 11 Ω
80 Ω 13 Use the following information to answer the next two questions.
The following data were recorded from the back of a small microwave oven
that has only one power setting.
Frequency of Microwaves
21. 120 V (60 Hz AC)
2 450 MHz
450 W During its operation, the microwave oven draws a current of
D. 0.133 A
7.50 A Numerical Response
10. The wavelength of the microwave radiation produced by the oven, expressed in
scientific notation, is a.bc × 10–d m. The values of a, b, c, and d are _____ ,
_____ , _____ , and _____ .
(Record all four digits of your answer in the numerical-response section on the answer sheet.) 14 22. The path followed by a moving proton in an external magnetic field is shown in
A. N C. S vertically up N D. horizontally right N 23. B. vertically down S S horizontally left N S A result that emerged from Einstein’s work is the expression E = pc, where p is
the magnitude of the momentum of a photon. The magnitude of the momentum of
a 1.30 × 102 eV photon is
A. 6.93 × 10–26 kg.m/s B. 2.08 × 10–17 kg.m/s C. 8.20 × 10–14 kg.m/s D. 4.33 × 10–7 kg.m/s 15 24. The magnitude of the magnetic force exerted on a charged particle in a magnetic
field will be doubled by doubling any one of
D. the charge of the particle, or the speed of the particle, or the mass of the
the magnitude of the field or the angle of entry of the particle
the speed of the particle, or the mass of the particle, or the magnitude of the
the charge of the particle, or the speed of the particle, or the magnitude of
the field 26. One N ⋅ C ⋅m
is the same as
A ⋅ m ⋅s A.
D. 25. 1A
1J The particle nature of X-ray radiation is best demonstrated by the observation
D. exhibit the Compton effect
have great penetrating ability
are diffracted by pure crystals
are not deflected by magnetic fields 16 Use the following information to answer t...
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