In comparing two waves of the same type and same amplitude, the one with the longer wavelength would have
A) lower frequency.
B) both higher energy and higher frequency.
C) higher energy.
D) both higher energy and lower frequency.
E) higher frequency.
A
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In a large tank of liquid, the hydrostatic pressure at a given depth is a function of:
a. depth. c. liquid density. b. surface area. d. Choices a and c are both valid.
Jill is farsighted and cannot see objects clearly that are closer to the eye than 80.0 cm. What is the refractive power of the contact lenses that will enable her to see objects at a distance of 25.0 cm from her eyes?
A) +2.75 diopters B) -2.75 diopters C) -4.72 diopters D) +4.72 diopters E) +7.00 diopters
Why is most matter electrically neutral?
a. It contains no charges. b. There are equal amounts of positive and negative charges present. c. The charge on the electrons and protons in the material is too small to notice. d. none of the above
Humans are scientifically classified as Homo sapiens. In this system, the word sapiens refers to the
A) genus B) species C) order D) family