A rad is that amount of radiation that:
a. is also known as a rem.
b. deposits 10–2 J of energy into 1 kg of absorbing material.
c. deposits 8.76 × 10^–3 J of energy into 1 kg of air.
d. produces 2.08 × 10^9 ion pairs per cm3 in air under standard conditions.
B
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In a Maxwell solid, when the stress is removed after a period of time, residual strain is equal to the _________strain.
Fill in the blank(s) with the appropriate word(s).
Calculate the specific heat of copper, silver, and gold at constant volume using the high-temperature value of the heat capacity, and compare these values to their specific heats at constant pressure listed in Table 4.1.
What will be an ideal response?
Earth's orbit is nearly circular, varying by only a few percent in distance from the Sun over one orbital period
a. True b. False Indicate whether the statement is true or false
What is the leading evidence for dark energy?
a. That the universe is expanding. b. That dark matter is not affected by conventional energy. c. That ordinary energy must have a complement. d. That the rate of expansion of the universe is increasing. e. The expansion of the universe is slowing down and could eventually reverse.