Thermal Physics Quiz Exam!

8 Questions | By Lok.choow | Updated: Mar 21, 2022 | Attempts: 383

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Thermal Physics Quiz Exam! - Quiz

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Questions and Answers

1.

Which of the following graph represent the motion when Abby throw an apple onto the floor at 0s. (under free fall assumption)
- A.
  
  I
- B.
  
  II
- C.
  
  III
- D.
  
  IV
2.

Abby is travel from Pà Q àRàS. What is the average speed traveled by Abby?
- A.
  
  5 m/s
- B.
  
  1.380 m/s
- C.
  
  5000 m/s
- D.
  
  1380 m/s
3.

Given point P is the pivot of the level. Determine its direction of rotation.
- A.
  
  Clockwise
- B.
  
  Anticlockwise
- C.
  
  Remain equilibrium
4.

Determine its direction of rotation.
- A.
  
  Clockwise
- B.
  
  Anticlockwise
- C.
  
  No rotation occur
- D.
  
  Option 4
5.

A lit match is placed above a thermometer. State the type of thermal processes where the heat from the match reaches the thermometer.
- A.
  
  Conduction
- B.
  
  Convection
- C.
  
  Radiation
6.

Which process involves convection?
- A.
  
  Bread toasting under a grill
- B.
  
  Energy from the Sun warming a road surface
- C.
  
  Hot air rising to the top of a cool room
- D.
  
  Thermal energy transfer through a copper bar
7.

The air in a room is heated by a heater. The diagram shows the circulation of the air in the room. Which statement about the air that is heated is correct?
- A.
  
  The air contracts and becomes less dense.
- B.
  
  The air contracts and becomes more dense.
- C.
  
  The air expands and becomes less dense.
- D.
  
  The air expands and becomes more dense.
8.

Given the level is under an equilibrium state. Find the value of x.
- A.
  
  1.27 m
- B.
  
  0.6 m
- C.
  
  2.67 m
- D.
  
  5.93 m

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