Calculate the de Broglie wavelength for an electron (m = 1 × 10^-30 kg) moving at 3.1 × 10^6 m/s
a. 1.8 × 10^–10m
b. 2.4 × 10^–10m
c. 1.9 × 10^–10m
d. 2.1 × 10^–10m
d
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A flask brim filled with water is on a weighing scale. If you float a piece of wood in it, after spillage away from the scale, the scale reading will be
A) less. B) the same. C) greater.
During a temperature inversion _______.
What will be an ideal response?
Two identical fish, both at sea level, float in two identical aquariums with identical quantities of water. Fish A is in Alaska, so it weighs more than fish B at the equator, since g is larger at sea level in Alaska. Which statement is correct?
a. A comparison is impossible unless they are both floating at the same level. b. Fish A displaces a greater quantity of water than fish B. c. Fish B displaces a greater quantity of water than fish A. d. They both displace the same quantity of water. e. Fish A has a smaller acceleration than Fish B when equal horizontal forces are applied to each, because Fish A weighs more.
What does the Sherwood number represent?
What will be an ideal response?