Multiple Choice
An iron stove, used for heating a room by radiation, is more efficient if:
A) its inner surface is highly polished
B) its inner surface is covered with aluminum paint
C) its outer surface is covered with aluminum paint
D) its outer surface is rough and black
E) its outer surface is highly polished
Correct Answer:
Verified
Correct Answer:
Verified
Q62: Thermal energy can be transferred by convection:<br>A)only
Q63: In constructing a thermometer it is NECESSARY
Q64: A calorie is about:<br>A)0.24 J<br>B)8.3 J<br>C)250 J<br>D)4.2
Q65: Inside a room at a uniform comfortable
Q66: Two different samples have the same mass
Q68: On a very cold day, a child
Q69: The rate of heat flow through a
Q70: The zeroth law of thermodynamics allows us
Q71: The two metallic strips that constitute some
Q72: Ten grams of ice at -20°C is