Physics Semestral Exam

4. The ability to do work
5. material or object that allows the flow of electrical charge or current through it easily
8. The law that states that the force between two point charges is proportional to the product of their charges and inversely pr
9. The branch of optics that deals with the behavior of light in terms of rays and angles.
14. The phenomenon which occurs when the light rays travel from a more optically denser medium to a less optically denser medium
20. The branch of physics that deals with the behavior of light.
23. The theory that describes the relationship between space and time and how they are affected by gravity.
24. A weight suspended from a pivot so that it can swing freely.
25. an optical lens that converges all rays of light passing through it
26. The rate at which work is done.
28. a lens that diverges rays of light that are traveling parallel to its principal axis.
29. The phenomenon in which an object moving at high speeds experiences a slowing of time.
30. material or object that allows the flow of electrical charge or current through it easily

1. A disturbance that propagates through space and time. The ability to do work.
2. A measure of the twisting force that causes rotation.
3. The energy of an object due to its motion.
6. The stretching or shortening of time as measured by different observers.
7. The energy that an object possesses due to its position in a gravitational field.
10. Particles that carry an electric charge.
11. measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is
12. A way of making rough estimates with little or no data.
13. The principle that the total energy of a closed system remains constant.
15. The branch of optics that deals with the behavior of light in terms of waves.
16. The law that states that planets move in elliptical orbits around the sun.
17. The law that states that every point mass attracts every other point mass by a force acting along the line intersecting both
18. The shortening of lengths as measured by different observers. The ability of a system to do work by virtue of its position or
19. Transparent objects that refract light and form images by bending light.
21. The increase in Earth's average surface temperature due to rising levels of greenhouse gases.
22. process that occurs when gases in Earth's atmosphere trap the Sun's heat.
27. The bending of light as it passes from one medium to another.