Physics
Grade-9
Easy
Question
Two bodies A and B are in contact with each other in an insulated box. A is at a higher temperature than B. The direction of flow of heat is ____.
- a to b
- b to a
- a and b to the surroundings
- None of these
Hint:
Heat flow to maintain thermal equilibrium
The correct answer is: a to b
Heat flows from higher temperature to lower temperature
Related Questions to study
Physics
The particles of a _____ move in the most random way and at greatest speeds.
The particles of a _____ move in the most random way and at greatest speeds.
PhysicsGrade-9
Physics
As the temperature of a substance of a fixed amount in a fixed volume increases _____.
As the temperature of a substance of a fixed amount in a fixed volume increases _____.
PhysicsGrade-9
Physics
When two bodies A and B are placed in contact with each other, the total heat is _____.
When two bodies A and B are placed in contact with each other, the total heat is _____.
PhysicsGrade-9
Physics
The temperature _____ on the kinetic energy of the constituent particles.
The temperature _____ on the kinetic energy of the constituent particles.
PhysicsGrade-9
Physics
0 K = ____ oC
0 K = ____ oC
PhysicsGrade-9
Physics
Which of the following represents the absolute zero temperature?
Which of the following represents the absolute zero temperature?
PhysicsGrade-9
Physics
The S I unit of temperature is _____.
The S I unit of temperature is _____.
PhysicsGrade-9
Physics
Temperature can be measured by ____.
Temperature can be measured by ____.
PhysicsGrade-9
Physics
The property of any material that slows down the flow of electrons
The property of any material that slows down the flow of electrons
PhysicsGrade-9
Chemistry
Which of the following graphs is explaining about the Charles law?
Which of the following graphs is explaining about the Charles law?
ChemistryGrade-9
Chemistry
If you have an empty soda bottle (volume of 500 mL) at room temperature (25oC), if you put it in your freezer (-5oC) what will be the new volume of bottle?
If you have an empty soda bottle (volume of 500 mL) at room temperature (25oC), if you put it in your freezer (-5oC) what will be the new volume of bottle?
ChemistryGrade-9
Chemistry
Which gas law represents the below graph?
Which gas law represents the below graph?
ChemistryGrade-9
Chemistry
If the pressure and mass of gas is constant, the relationship between temperature and volume is___________.
If the pressure and mass of gas is constant, the relationship between temperature and volume is___________.
ChemistryGrade-9
Chemistry
Why do the blood and the body fluids start to boil after rupturing an astronaut’s spacesuit?
Why do the blood and the body fluids start to boil after rupturing an astronaut’s spacesuit?
ChemistryGrade-9
Chemistry
What is the temperature when 2.10 moles of nitrogen gas and it has a pressure of 1.25 atm in a 25L of tank?
What is the temperature when 2.10 moles of nitrogen gas and it has a pressure of 1.25 atm in a 25L of tank?
ChemistryGrade-9