What is Deuterium, also known as Hydrogen-2?
A. two protons and two neutrons
B. one proton and one neutron
C. four protons
D. two protons and one neutron
E. four neutrons
Answer: B. one proton and one neutron
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Permanent strain is _____________strain.
Fill in the blank(s) with the appropriate word(s).
First Law of Thermodynamics: During an isochoric process, the internal (thermal) energy of a gas decreases by 50 J. How much heat is added to the gas during this process?
A. 0 J B. 50 J C. -50 J D. 25 J E. -25 J
A rod (length = 2.0 m) is uniformly charged and has a total charge of 5.0 nC. What is the electric potential (relative to zero at infinity) at a point which lies along the axis of the rod and is 3.0 m from the center of the rod?
a. 22 V b. 19 V c. 16 V d. 25 V e. 12 V
The radius of an approximately spherical nucleus is given by r =
a. r0Z3. b. r0Z1/3. c. r0A3. d. r0A1/3. e. r0(A ? Z)1/3.