Which type of electromagnetic wave travels through space the slowest?
A) All EM waves travel at the same speed.
B) radio waves
C) infrared
D) ultraviolet
E) microwaves
A
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What will be an ideal response?
When photon absorption occurs in a hydrogen
atom, the principal quantum number of the electron must a) decrease. b) remain the same. c) increase. d) become identical to that of a ground state electron. •
A horizontal wire of length 3.6 m carries a current of 6.0 A and is oriented so that the current direction is 50° S of W. The Earth's magnetic field is due north at this point and has a strength of 0.14 × 10^-4 T. What is the direction of the force on the wire?
a. 40° S of E c. toward the Earth's surface b. out of the Earth's surface d. due east
The Ekman transport spiral is driven
A) by density differences in the water column. B) by gravity. C) solely by the Coriolis force. D) by the wind.