1. Radiation is emitted
(a) Only by glowing objects such as the Sun.
(b) Only by objects whose temperature is greater than the temperature of the surroundings.
(c) Only by objects with more caloric than their surroundings.
(d) By any object not at 0 K.
(e) Only by objects that have a large specific heat.
2. Two objects are made of the same material, but they have different masses and temperatures. If the objects are brought into thermal contact, which one will have the greater temperature change?
(a) The one with the higher initial temperature.
(b) The one with the lower initial temperature.
(c) The one with the greater mass.
(d) The one with the lesser mass.
(e) The one with the higher specific heat.
(f) Not enough information.