Test 1
Physics Unit 15: Electrostatics
Quiz-summary
0 of 8 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
Information
Physics Unit 15: Electrostatics
question bank
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 8 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
Categories
- Not categorized 0%
- Physics Unit 15: Electrostatics 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- Answered
- Review
-
Question 1 of 8
1. Question
An electroscope has an excess of 3.9×10^8 electrons. What is the charge on the electroscope?
Correct
Incorrect
-
Question 2 of 8
2. Question
How can acquiring charge be described at a microscopic level?
Correct
Incorrect
-
Question 3 of 8
3. Question
A lightning bolt transfers a charge of 17 C. How many electrons does the lightning bolt transfer if it strikes the ground?
Correct
Incorrect
-
Question 4 of 8
4. Question
A charge, qA, experiences an attractive force of 1.5×102 N as a result of a charge, qB, located 2.4 cm away. If qB has a charge of +5.2×10−6 C, what is the charge of qA? (K = 9.0×109 N⋅m2/C2)
Correct
Incorrect
-
Question 5 of 8
5. Question
Spheres A and B are located 4.0×10−2 m apart. If sphere A has a charge of +4.0×10−6 C and sphere B has a charge of −2.0×10−6 C, what is the magnitude of the force of sphere B on sphere A?
Correct
Incorrect
-
Question 6 of 8
6. Question
If a sphere is moved from 4.0×10^−2m to 2.0×10^−2 m from a second sphere of equal charge, how does the force between the charges change?
Correct
Incorrect
-
Question 7 of 8
7. Question
Two objects each carry a charge of +1 Coulomb. How many times the mass of a Nimitz class aircraft carrier would each object have to have in order to counterbalance the charge repulsion with gravitational attraction?
Correct
Incorrect
-
Question 8 of 8
8. Question
Two objects carry a 1 Coulomb charge each. What is the amount of the mass each object would need to have to counterbalance the electrostatic repulsion with gravitational attraction at any distance?
Correct
Incorrect
Test 2
Physics Unit 14: Properties of Light
Quiz-summary
0 of 11 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
Information
Physics Unit 14: Properties of Light
question bank
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 11 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
Categories
- Physics Unit 14: Properties of Light 0%
- Physics Unit 14: Properties of Light - Refraction 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- Answered
- Review
-
Question 1 of 11
1. Question
Where does visible light fall on the electromagnetic spectrum?
Correct
Incorrect
-
Question 2 of 11
2. Question
Which of these colors of light has the longest wavelength?
Correct
Incorrect
-
Question 3 of 11
3. Question
Which of these properties of light is a constant?
Correct
Incorrect
-
Question 4 of 11
4. Question
The speed of light in a vacuum (c) is approximately:
Correct
Incorrect
-
Question 5 of 11
5. Question
Compared to its speed in air, the speed of light in glass is ____ .
Correct
Incorrect
-
Question 6 of 11
6. Question
Which of the following has the highest index of refraction?
Correct
Incorrect
-
Question 7 of 11
7. Question
For most practical purposes, the index of refraction of air is ____ .
Correct
Incorrect
-
Question 8 of 11
8. Question
The wavelength of light in a given material equals ____ .
Correct
Incorrect
-
Question 9 of 11
9. Question
Refraction occurs when ____ .
Correct
Incorrect
-
Question 10 of 11
10. Question
When light travels from one medium into a medium with a lower index of refraction, ____ .
Correct
Incorrect
-
Question 11 of 11
11. Question
The index of refraction of the transparent mineral beryl is approximately 1.6. Transparent quartz has an index of 1.54. Diamond has an index of 2.42. Based on these facts, which statement is true? Assume light travels from air into each substance.
Correct
Incorrect
Test 3
Physics Unit 13: Optics
Quiz-summary
0 of 5 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
Information
Physics Unit 13: Optics
questionbank
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 5 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
Categories
- Physics Unit 13: Optics 0%
- 1
- 2
- 3
- 4
- 5
- Answered
- Review
-
Question 1 of 5
1. Question
The image formed by a concave mirror where the object distance is 3f is:
Correct
Incorrect
-
Question 2 of 5
2. Question
The image formed by a concave mirror where the object distance is at the center of curvature is:
Correct
Incorrect
-
Question 3 of 5
3. Question
A concave mirror has a radius of curvature of 20 cm. The object is placed at the 40 cm. The image distance is:
Correct
Incorrect
-
Question 4 of 5
4. Question
A concave mirror has a focal length of 30 cm. The object is placed at 30 cm. The image is:
Correct
Incorrect
-
Question 5 of 5
5. Question
A concave mirror has a focal length of 30 cm. The object is placed at 10 cm. The image distance is:
Correct
Incorrect
Test 4
Physics Unit 12: Waves and Sound
Quiz-summary
0 of 10 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
Information
Physics Unit 12: Waves and Sound
question bank
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 10 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
Categories
- Physics Unit 12: Waves and Sound 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- Answered
- Review
-
Question 1 of 10
1. Question
A sound wave is produced in a metal cylinder by striking one end. Which of the following occurs as the wave travels along the cylinder?
Correct
Incorrect
-
Question 2 of 10
2. Question
The graph below depicts the relationship between wave energy and wave amplitude.
How is the energy of the wave affected if the amplitude of the wave increases from 2 meters to 4 meters?Correct
Incorrect
-
Question 3 of 10
3. Question
A radio station transmits to a receiving antenna. The radio wave is a
Correct
Incorrect
-
Question 4 of 10
4. Question
A stretched spring attached to two fixed points is compressed on one end and released, as shown below.
The resulting wave travels back and forth between the two fixed ends of the spring until it comes to a stop. This mechanical wave is an example of aCorrect
Incorrect
-
Question 5 of 10
5. Question
One end of a horizontal string is caused to oscillate vertically while the other end is attached to a fixed object. The wave that travels along the string is an example of
Correct
Incorrect
-
Question 6 of 10
6. Question
A sound wave traveling through a solid material has a frequency of 500 hertz. The wavelength
of the sound wave is 2 meters. What is the speed of sound in the material?Correct
Incorrect
-
Question 7 of 10
7. Question
A tuning fork is used to produce sound waves with a frequency of 440 hertz. The waves
travel through the air at 344 m/s . What is the wavelength of the sound waves?Correct
Incorrect
-
Question 8 of 10
8. Question
A student shakes the end of a rope with a frequency of 1.5 Hz, causing waves with a wavelength of 0.8 m to travel along the rope. What is the velocity of the waves?
Correct
Incorrect
-
Question 9 of 10
9. Question
What is the wavelength of a 264-Hz sound wave when the speed of sound is 345 m/s ?
Correct
Incorrect
-
Question 10 of 10
10. Question
Astronauts on the Moon would not be able to hear a landslide because
Correct
Incorrect