Physics Quiz Questions And Answers
10 Questions
| Total Attempts: 152
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Questions and Answers
- 1.An object is weightless when it is:
- A.
In motion
- B.
Being accelerated
- C.
In freefall
- D.
Stationary
- 2.Which one among the following units cannot be used to express work?
- A.
Calorie
- B.
Joule
- C.
Newton
- D.
Watt-second
- 3.How far from your hand has a falling object gone when 2 seconds had already elapsed after releasing it?
- A.
9.8 meters
- B.
19.6 meters
- C.
39.2 meters
- D.
7 meters
- 4.In a certain equation, X=Fv where F is the force applied and v is the velocity. What is X?
- A.
Work
- B.
Power
- C.
Distance
- D.
Momentum
- 5.________ means "measuring heat".
- 6.What is the potential difference in a circuit that has a magnetic flux density of 3 Teslas, conductor length of 2 meters, and current flow velocity of 5 meters per second?
- A.
1.2 volts
- B.
7.5 volts
- C.
3.33 volts
- D.
30 volts
- 7.Who were the scientists who proposed that the same amount of heat is needed by all atoms for its temperature to be raised by one kelvin even if these atoms have totally different masses?
- A.
Petit and Dulong
- B.
Watson and Crick
- C.
Pauling and Corey
- D.
Boltzmann and Stefan
- 8.What is the ratio between the velocities in which a body travels before and after impact? (It is still important however to remember that this still relates to momentum since the final velocities are dependent on mass.)
- A.
Coefficient of static friction
- B.
Coefficient of fugacity
- C.
Impedance
- D.
Coefficient of restitution
- 9.Which of the following is an appropriate derived unit for Tesla?
- A.
Volts per square meter
- B.
Amperes per second
- C.
Farads per Volt-second
- D.
Weber per square meter
- 10.Which of the following equations would correctly represent the heat transfer in the given situation? (Note that Q stands for heat.)A hot iron ring is dipped into a wooden bucket filled with water. After a while, the system achieved thermal equilibrium.
- A.
Q of Wood + Q of Water = -Q of Iron
- B.
Q of Iron + Q of Water = -Q of Wood
- C.
Q of Wood + Q of Water = Q of Iron
- D.
-(Q of Wood + Q of Water)= -Q of Iron
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