GEOG 245 Lecture Notes - Lecture 7: Inq Mobile, Leea
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I have showed my answers which received a 1/5 can someone pleasehelp with the answers, and you will recieve a life saver.
1.The surface normal,which helps define the angles in the Law of Reflection and the Lawof Refraction, is an imaginary line perpendicular to the surface atthe point where the incident ray strikes the surface.
T of F?
Student Response
True
2.The Law of Reflectioncan be used to show how an image appears behind a mirror and it canalso be used to determine where the image will be located. T orF?
Student Response
False
3.The figure below is fromthe lab manual Prelab Question 1 at the end of the writeup.Although it will not be graded, perform the derivation describedthere anyway. When looking down from nearly straight overhead whichof the following are true:
A. Only the object is visible.
B. Only the image is visible.
C. Both the object and the image are visible.
D. The image point I is at h'=h/n
E. The image point I is at h'=n h
| 1. | A, D |
| 2. | B, D |
| 3. | C, D |
| 4. | A, E |
| 5. | B, E |
| 6. | C, |
Student Response 3. C, D
4.The figure below is fromPrelab Question 2 in the manual. Perform the derivation describedthere and state which of the following expressions gives the lengthof the ray inside the block:
1) d sin α
2) d/sin α
3) L cos θ2
4) L/cos θ2
A. 1. and 3.
B. 1. and 4.
C. 2. and 3.
D. 2. and 4.
Student response B 1. and 4.
5.The figure below is fromPrelab Question 3 at the end of the writeup for this experiment.Although it will not be graded, perform the derivation describedthere and then state which of the following statements andequations are correct.
(1) θ2=30o.
(2) Ï=(θ1-θ2)/2.
(3) Triangle aec is an equilateral triangle.
A. 1 only
B. 2 only
C. 3 only
D. 1 and 2
E. 1 and 3
F. 2 and 3
G. 1, 2, and 3
Student Response E. 1 and 3