Trivia Quiz 154: Physics quiz

Play Quiz 154

Physics quiz
Difficult

10 q by quizmaster for 32 points - Free

Did you pay attention in the physics classes in high school? Let 's find out with these questions on physics...

Clock:

Time bonus: 45 points

1/10: What force of nature is responsible for satellites remaining in orbit around the earth? (3 points)

Gravity
Electromagnetic Force
Rocket Propulsion

2/10: True or false: In the absence of air resistance, two objects of very different masses would fall at exactly the same rate when dropped from the top of a building. (2 points)

True
False

3/10: Which colour is the highest frequency? (4 points)

red
green
blue

4/10: What is the mass of an electron? (5 points)

9.109 * 10^-31 kg
1.6 * 10^-19 kg
5.3 * 10^-8 kg

5/10: What is emitted by the hot metal filament in the cathode ray tube? (2 points)

protons
X-rays
electrons
a-particles

6/10: What is the current in a 50.0 ohm resistor when the potential difference between the ends of the resistor is 100 V? (2 points)

0.5A
2A
5A
10A

7/10: According to Einstein?s special theory of relativity, a person traveling in
a spaceship whose velocity is close to that of the speed of light, will come back... (3 points)

older than a person staying on earth
younger than a person staying on earth
the same age as a person staying on earth

8/10: What is the basic chemical element of a diamond? (4 points)

Silicium
Iron
Carbon

9/10: Which is the first law of thermodynamics? (5 points)

For a fixed mass of ideal gas at fixed temperature, the product of pressure and volume is a constant
E=mc^2
The total amount of energy and matter in the Universe remains constant

10/10: Light from moving objects will appear to have different wavelengths depending on the relative motion of the source and the observer. An example of this is when a train is moving away from you and you hear a decrease in pitch. What is this effect called? (2 points)

The Gibbs effect
The Doppler effect
The Casimir effect

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