A wave on a string has a wavelength of 0.90 m at a frequency of 600 Hz. If a new wave at a frequency of 300 Hz is established in this same string under the same tension, what is the new wavelength?
a. 2.7 m
c. 0.45 m
b. 1.8 m
d. 0.30 m
B
Physics & Space Science
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A certain radio wave has a frequency of 1.03 MHz. What is the wavelength?
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The decay: n ? p + e- + ve does not occur as it would violate conservation of
A) baryon number. B) mass. C) charge. D) lepton number. E) angular momentum.
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Raising the current through a resistor from 8.50 A to 11.3 A increases the power by
A. 33.0%. B. 77.0%. C. 113%. D. 157%. E. 0% (no change).
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