1. The theory that states that the mass of the nucleus is reduced when protons andneutrons collide because energy is released is called (Mass-Energy collision, Mass-Energy equivalence, Mass-Energy reduction, Mass-Energycombination and was discovered by (Max Plank, Marie Curie, Albert Einstein, Issac Newton).
2. Describe what happens during each of the types of nuclear reactions.
Fission-
Fusion-
3. The image produced by the plane mirror above will be:
(real or virtual), (upright or inverted), (enlarged, same size, smaller).
For problems 4 - 6, be sure you draw the ray diagram.
4. Which of these types of wave is light?
a. longitudinal b. mechanical c. electromagnetic d. compression
5. Arrange the colors from the visible light spectrum in order…
Lowest f ______Lowest Energy ______Shortest λ ______
2nd ______2nd ______2nd ______
3rd ______3rd ______3rd ______
4th ______4th ______4th ______
5th ______5th ______5th ______
6th ______6th ______6th ______
Highest f ______Highest Energy ______Longest λ ______
6. Name the parts of the electromagnetic spectrum in order…
Lowest f ______Lowest Energy ______Shortest λ ______
2nd ______2nd ______2nd ______
3rd ______3rd ______3rd ______
4th ______4th ______4th ______
5th ______5th ______5th ______
6th ______6th ______6th ______
Highest f ______Highest Energy ______Longest λ ______
7. What is true about the speed of ALL electromagnetic waves? ______
8. You and your friend are listening to two different radio stations. You are listening to 96.3 MHz and your friend is listening to 102.1 MHz.
Which station has the longer wavelength? ______
Which station has the higher frequency?______
9. All electromagnetic waves move through space at ______.
/ a. different frequencies/ b. the speed of light (3.0 x 10^8 m/s
/ c. both a and b
/ d. neither a nor b
10. What is the material that does not allow charges to move about easily? ______
What are some examples of this material…Name at least 3.
11. What is the material that allows charges to move easily? ______
What are some examples of this material…Name at least 3.
12. Two particles are separated by a distance of 0.4181685 m. Charge 1 has a charge of 0.0000624 C. Particle 2 has a charge of 0.0000390. What is the force between them?
13. What would the magnitude of the force be between two charged particles 2.0 m apart if their charges were 0.005 C and 0.008 C?
14. Describe the difference between an open circuit and closed circuit.
15. Compare a series circuit to a parallel circuit. Make sure you mention the current, resistance and voltage.
16. What current would flow through a series circuit with two 3 ohm resistors and a 9 V battery?
17. A 20 ohm resistor is connected to a 140 V circuit. The current through the resistor is ______amps.
18.
If R1 = 74 ohms and R2 = 82 ohms, then the total resistance of the circuit is equal to ______ohms.
19. In the wave pictured below…
Which of the letters above represents the amplitude of the wave? ______
Which of the letters above represents the wavelength of the wave? ______
20. What kind of waves require a medium to travel through? List some examples.
21. What king of waves DO NO require a medium? List some examples.
22. Draw and label a compression wave.
23. Define the follow and give an example of each…
- Reflection-
- Refraction-
- Diffraction-
- Resonance-
24. Two blocks, one made of lead the other of zinc, have the same mass and the lead is at 150°C and the zinc is at 200°C. When the blocks are brought into contact with each other, _____.
A) Heat will flow from the zinc to lead
B) Heat will flow from the lead to zinc
C) No heat will flow, they are in thermal equilibrium
25. Define the following and give an example:
Conduction-
Convection-
Radiation-
26. During a phase change, when does kinetic energy change? When does potential energy change?
27. For each of the following, identify the method of heat transfer responsible. Use the following responses for your answers:
A) conduction
B) convection
C) radiation
D) vaporization
The surface of the earth receives heat from the sun. ______
You burn your hand by touching the hot muffler of a tractor. ______
Warm air from your hair dryer evaporates the moister in your hair. ______
28. A woman lifts a 300 N child a distance of 1.5 m in 0.75 s. What is her power output in lifting the child?
29. What are the 3 rules of work?
30. Give an example of no work being done.
31. Can two negative charges attract? Why or why not?
32. How much work is performed in lifting a 50 kg box up off the floor a distance of 2 m and then carrying it down the hall a distance of 25 m?
33. A projectile is launched horizontally from a height of 20.0m with an initial velocity of 10.0 m/s. What is the horizontal distance traveled by the projectile after 1.70seconds?
34. How do you induce a magnetic charge?
35. Explain the force between two charges if the charges have different masses (Using Coulomb’s Law)
36. What happens to an object if a charged object is brought close to it?
37. What is magnetism?