If we had never discovered quantum mechanics, which of the following would be true?
A) We would not have electronic devices such as cell phones and laptops.
B) The physical world would behave much differently.
C) Nothing would be different because quantum mechanics has not led to any changes in the lives of people.
D) The Sun would not shine.
A) We would not have electronic devices such as cell phones and laptops.
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Mass is a measure of
a. inertia. b. force. c. grams. d. weight. e. kilograms.
The range from the size of protons and neutrons to the size of the visible universe is:
a. 100. b. 10^-41. c. 10^41. d. 10^4. e. 10^-4.
A Type Ia supernova results in the formation of a neutron star.
Answer the following statement true (T) or false (F)
Atomic bombs and nuclear power plants both use nuclear fusion
a. True b. False Indicate whether the statement is true or false