Matter waves were confirmed when it was found that electrons
a. diffract.
b. have a plus or minus spin quantum number.
c. possess a negative charge.
d. have mass.
a
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An atomic nucleus has a size of about
A) 10-6 meters. B) 10-15 meters. C) 10-12 meters. D) 10-9 meters.
An LRC circuit is at critical damping with R = 100 ?. Starting from its maximum value, the charge on the capacitor drops to 50% of its value in a time t = 5 ms. What are the values of the inductance L and the capacitance C?
A) L = 0.36 H, C = 0.144 mF B) L = 2.67 H, C = 1. 25 mF C) L = 0.03 H, C = 0. 3 mF D) L = 1.17 H, C = 8.1 mF E) L = 5.12 H, C = 0. 06 mF
The most likely first form of life on Earth was probably an archaea-like extremophile tolerant of high temperatures
a. True b. False Indicate whether the statement is true or false
When a rigid body rotates about a fixed axis, all the points in the body have the same
A) tangential speed. B) angular acceleration. C) tangential acceleration. D) linear displacement. E) centripetal acceleration.