Light spreads out when it passes through a narrow slit because of
a. interference.
b. diffraction.
c. specular reflection.
d. diffuse reflection.
e. polarization.
b
Physics & Space Science
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What are stars, planets, gas, and dust all made of?
A.) Dark energy. B.) Dark matter. C.) Atoms.
Physics & Space Science
A meter is
A. 1000 times larger than a kilometer B. 100 times longer than a kilometer C. (1 / 10) as long as a kilometer D. (1/ 100) as long as a kilometer E. (1/ 1000) as long as a kilometer
Physics & Space Science
Why is hydrogen less obvious in B stars than in A class?
What will be an ideal response?
Physics & Space Science
A 60.0-Hz AC generator with a peak voltage of 110 V drives a series RC circuit with R = 10.0 ? and C = 300 ?F. The impedance is
a. 4.68 ?. b. 8.84 ?. c. 10.0 ?. d. 13.4 ?. e. 18.8 ?.
Physics & Space Science