When the speed of an electron is increased the de Broglie wavelength is decreased
a. True
b. False
Indicate whether the statement is true or false
True
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What is the purpose of the observatory commonly called LIGO?
A) to detect gravitational waves B) to look for examples of gravitational lensing C) to test the equivalence principle D) to attempt observations of hyperspace
Analysis of ________ stars has shown that star masses are in the range of ________ to ________ solar masses.
A. spinning; 1; 100 B. binary; 1; 10 C. binary; 30; 0.1 D. spinning; 1,000; 0.1 E. binary; 100; 1
The four extra minutes in the solar day are due to our ________ around the Sun
Fill in the blank(s) with correct word
The electric field established by a generator in an ac circuit
A) increases via the inverse-square law. B) changes magnitude and direction with time. C) acts in one direction. D) is non-existent. E) none of the above