Thermal Equilibrium
Physics ⇒ Heat and Thermodynamics
Thermal Equilibrium starts at 8 and continues till grade 12.
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See sample questions for grade 9
A 100 g piece of metal at 80°C is placed in 200 g of water at 20°C. If the final temperature is 25°C, which substance absorbed more heat?
A block of ice at 0°C is placed in a room at 25°C. What will happen to the temperature of the ice over time?
A cup of tea at 80°C is placed in a room at 25°C. What will be the final temperature of the tea after a long time?
A metal block at 50°C is placed in water at 20°C. If the final temperature is 25°C, which object had a greater mass or specific heat capacity?
A 100 g piece of metal at 80°C is placed in 200 g of water at 20°C. If the final temperature is 25°C, which substance absorbed more heat?
A block of ice at 0°C is placed in a room at 25°C. What will happen to the temperature of the ice over time?
A cup of tea at 80°C is placed in a room at 25°C. What will be the final temperature of the tea after a long time?
A metal block at 50°C is placed in water at 20°C. If the final temperature is 25°C, which object had a greater mass or specific heat capacity?
If two objects are in thermal equilibrium, which of the following must be true?
(1) They have the same mass.
(2) They have the same temperature.
(3) They are made of the same material.
(4) They are at the same height.
Which of the following best describes thermal equilibrium?
(1) Both objects have the same mass.
(2) Both objects have the same temperature.
(3) Both objects are made of the same material.
(4) Both objects are at the same height.
Which of the following is a correct statement about thermal equilibrium?
(1) It can only occur in gases.
(2) It requires objects to be in direct contact.
(3) It means no net heat flow between objects.
(4) It only happens at 0°C.
Which of the following is a necessary condition for thermal equilibrium?
(1) Same color
(2) Same temperature
(3) Same mass
(4) Same shape
Fill in the blank: The process of reaching thermal equilibrium is called ______.
Fill in the blank: The transfer of heat continues until ______ is reached.
Fill in the blank: The Zeroth Law of Thermodynamics is fundamental for the concept of ______.
Fill in the blank: When heat is transferred between two objects, the object that loses heat ______ in temperature.
True or False: At thermal equilibrium, there is no net flow of heat between objects.
True or False: If two objects are at the same temperature, they are in thermal equilibrium.
True or False: The concept of thermal equilibrium applies only to solids.
True or False: The process of reaching thermal equilibrium can be sped up by increasing the surface area of contact between objects.
