Download Physics Final – Review – Part One Physics Final – Review – Part

Physics Final – Review – Part One
1. A 450 kg block of iron is heated from 26K to 35 K. How much heat has to be transferred to the
iron. (c = 450.0 J/kg∙K for iron)?
2. What are the various factors that affect gas pressure and how temperature, pressure, volume,
and number of particles related?
3. What are the ways of transferring heat and what are examples of each?
4. What are examples of longitudinal and transverse waves?
5. What is the frequency of a wave with a wave speed of 102 m/s and a wavelength of 8 m?
6. The speed of a mechanical wave depends on _____________________.
7. a)A light has a frequency of 3.10 x 1014 Hz. Light travels at a speed of 3.0 x 108 m/s. What is
the wavelength of a light wave?
b) What is the wavelength of your favorite radio station?
8. As a sound wave travels through air there is a net transfer of _________________.
9. As a pulse travels along a rope, the pulse loses _______ and its amplitude___________.
10. Compare the wavelengths of the different types of electromagnetic radiation.
11. What is the Doppler effect and how does it work?
12. The diagram represents two pulses moving toward each other on a rope.
What is this called? What occurs when the pulses meet?
13. A light beam in air (n=1) hits a sheet of crown glass (n=1.52) at an angle of 30 degrees. At
what angle is it refracted?
14. What is resonance? What is an example?
15. What is refraction, diffraction, and reflection? Draw examples of each.
16. What are the steps is drawing a ray diagram?
Physics Final – Review – Part One
Use the diagram above to answer questions 17-19.
17. What type of mirror or lens is pictured above?
18. The focal length of the lens above is 5 cm and the toy tree is located 25 cm from the lens.
How far away will the image fall?
19. Which of the following best describes the image formed above?
20. A light ray strikes a plane mirror at an angle of 35 degrees. At what angle is it reflected?
21. What is a good conductor? Give examples.
22. According to Coulomb’s law, if the distance between two charges is tripled, the force will be
_____________.
23. Two positive charges, 3.5 x 10-6 C and 6.7 x 10-6 C are located 0.3 m apart. Is the force
between these charges attractive or repulsive?
24. The diagram below shows a simple circuit. Which component is the source of energy in this
circuit?
25. A circuit diagram is shown below. What is the current through the 2 Ω resistor? In the 6 Ω?
26. The rate of the flow of electric charge is ___________________.
27. A digital clock has a resistance of 22,000 ohms and is plugged into a 120 V outlet. How
much current does it draw?
Physics Final – Review – Part One
28. In the circuit below, V1 = 100 ohms, V2 = 1.2 ohms, and V3 = 80 ohms. What is the
equivalent resistance for the circuit?
Use the following diagram to answer question 29.
29. You want a generator to power a 2000 W flood light. The generator supplies 120 V.
Calculate the current that the flood light draws from the generator.
30. Under what conditions does matter create light?
31. Electromagnetic radiation strikes the surface of a metal and electrons are ejected. Which
concept does this best describe?
32. What are emission spectra lines? Using a diffraction grating, a student looks at an
incandescent lightbulb and a hydrogen-gas–discharge tube. Why does the student see fewer
colors from the hydrogen-gas–discharge tube than from the incandescent lightbulb?
33. The wave-particle duality theory is the first to give an adequate explanation of which facts
about the hydrogen atom?