MSE 208 / MSE208 EXAMS TEST BANK
Name: Activity Reply 01
Status : Completed
Score: 2 out of 2 points
Time Elapsed: 0 hours, 0 minutes, and 18
... [Show More] seconds out of 1 hours and 0 minutes allowed.
Instructions:
Question 1 1 of 1 points
If you looked at a bright light, was the image in teh scope
Selected Answer: reversed (upside down)
Question 2 1 of 1 points
If you punched a second hole in the foil, how many images do you see in the scope?
Selected Answer: two
COURSES > PHS/MSE 208: PATTERNS IN NATURE (2007 SPRING) > ANNOUNCEMENTS > WEEK ONE - PATH OF LIGHT > REVIEW ASSESSMENT: EXERCISE 01
Review Assessment: Exercise 01
Name: Exercise 01
Status : Completed
Score: 10 out of 10 points
Time Elapsed: 0 hours, 1 minutes, and 45 seconds out of 1 hours and 0 minutes allowed.
Instructions:
Question 1 1 of 1 points
Why does a pinhole produce an inverted image on the screen?
Selected Answer: Light rays from the object cross at the pinhole
Correct Answer: Light rays from the object cross at the pinhole
Question 2 1 of 1 points
If the Sun's light were to be extinguished at this moment, in what time would we know about it if were were on Venus? (The distance to the Sun is 1.5 x 108 km)
Selected Answer: in some minutes
Correct Answer: in some minutes
Question 3 1 of 1 points
If we consider the hum eye as a pinhole camera with the image of a three projected on the back of the eye (the "retina"), the image would be
Selected Answer: inverted (upside down)
Correct Answer: inverted (upside down)
Question 4 1 of 1 points
Compared to the velocity of light in a vacuum, the velocity in water
Selected Answer: is slower
Correct Answer: is slower
Question 5 1 of 1 points
If the Sun's light were to be extinguished at this moment, in what time would we know about it. (The distance to the Sun is 1.5 x 108 km)
Selected Answer: in some minutes
Correct Answer: in some minutes
Question 6 1 of 1 points
When you view an object with a pinhole scope, the object is inverted. If you rotate the scope 180 degrees, the image is
Selected Answer: still inverted
Correct Answer: still inverted
Selected Answer: is constant
Correct Answer: is constant
Question 8 1 of 1 points
If you punched a second hole in the foil of the scope, how many images do you see in the viewer?
Selected Answer: two
Correct Answer: two
Question 9 1 of 1 points
The path of white light in a uniform medium
Selected Answer: is straight for all colors
Correct Answer: is straight for all colors
Question 10 1 of 1 points
If the Sun's light were to be extinguished at this moment, we would know about it
Selected Answer: in 8 minutes
Correct Answer: in 8 minutes
COURSES > PHS/MSE 208: PATTERNS IN NATURE (2007 SPRING) > TOOLS > MY GRADES > REVIEW ASSESSMENT: EXERCISE 01
Review Assessment: Exercise 01
Name: Exercise 01
Status : Completed
Score: 9 out of 10 points
Time Elapsed: 0 hours, 4 minutes, and 52 seconds out of 1 hours and 0 minutes allowed.
Instructions:
Question 1 1 of 1 points
If the Sun's light were to be extinguished at this moment, in what time would we know about it. (The distance to the Sun is 1.5 x 108 km)
Selected Answer: in some minutes
Correct Answer: in some minutes
Question 2 1 of 1 points
If we consider a camera with the image of a tree projected on the back of the camera, the imagewould be
Selected Answer: inverted (upside down)
Correct Answer: inverted (upside down)
Question 3 1 of 1 points
The velocity of light in a uniform glass medium
Selected Answer: is constant
Correct Answer: is constant
Question 4 1 of 1 points
If we consider the human eye as a pinhole camera with the image of an arrow projected on the back of the eye (the "retina"), the image would be
Selected Answer: inverted (upside down)
Correct Answer: inverted (upside down)
Question 5 1 of 1 points
The velocity of white light in a vacuum
Selected Answer: is constant
Correct Answer: is constant
Question 6 0 of 1 points
The path of light going from glass to water to air
Selected Answer: is constant
Correct Answer: is reversible
Question 7 1 of 1 points
The path of white light in a uniform medium
Selected Answer: is straight for all colors
Correct Answer: is straight for all colors
Question 8 1 of 1 points
The path of light in a uniform glass medium
Selected Answer: is straight
Correct Answer: is straight
Question 9 1 of 1 points
The path of light in a glass medium
Selected Answer: is straight
Correct Answer: is straight
Question 10 1 of 1 points
If you make a smaller pinhole, the image
Selected Answer: becomes dimmer
Correct Answer: becomes dimmer
COURSES > PHS/MSE 208: PATTERNS IN NATURE (2007 SPRING) > ANNOUNCEMENTS > WEEK TWO - REFLECTION AND REFRACTION > REVIEW ASSESSMENT: ACTIVITY REPLY 02
Review Assessment: Activity Reply 02
Name: Activity Reply 02
Status : Completed
Score: 2 out of 2 points
Time Elapsed: 0 hours, 0 minutes, and 26 seconds out of 1 hours and 0 minutes allowed.
Instructions:
Question 1 1 of 1 points
Compared to the size of your face, on the convex surface, is the image
Selected Answer: smaller
Question 2 1 of 1 points
Your reflection is upside down on the surface of the spoon?
Selected Answer: concave
COURSES > PHS/MSE 208: PATTERNS IN NATURE (2007 SPRING) > TOOLS > MY GRADES > REVIEW ASSESSMENT: ACTIVITY REPLY 02
Review Assessment: Activity Reply 02
Name: Activity Reply 02
Status : Completed
Score: 2 out of 2 points
Time Elapsed: 0 hours, 3 minutes, and 10 seconds out of 1 hours and 0 minutes allowed.
Instructions:
Question 1 1 of 1 points
Compared to the size of your face, on the convex surface, is the image
Selected Answer: smaller
Question 2 1 of 1 points
Your reflection is upside down on the surface of the spoon?
Selected Answer: concave
COURSES > PHS/MSE 208: PATTERNS IN NATURE (2007 SPRING) > ANNOUNCEMENTS > WEEK TWO - REFLECTION AND REFRACTION > REVIEW ASSESSMENT: EXERCISE 02
Review Assessment: Exercise 02
Name: Exercise 02
Status : Completed
Score: 9 out of 10 points
Instructions:
Question 1 1 of 1 points
A beam of light incident on a flat water surface reflects from the mirror-like surface so that the angle of incidence equals the angle of reflection. The water is wavy. Would individual light beams (individual photons, for example) obey the law of reflection in this case?
Selected Answer: Yes
Correct Answer: Yes
Question 2 1 of 1 points
A beam of blue light in air is incident on a glass plate. Will the beam transmitted through the glass plate emerge parallel to the incident beam?
Selected Answer: Yes
Correct Answer: Yes
Question 3 1 of 1 points
Glass absorbs ultraviolet (UV) rays from the Sun. Would a fraction of the incident UV light be reflected from the air/glass boundary?
Selected Answer: Yes
Correct Answer: Yes
Question 4 1 of 1 points
If the focal length of red light is different from that of blue light, the lens has
Selected Answer: chromatic aberration
Correct Answer: chromatic aberration
Question 5 1 of 1 points
A beam of light, containing many individual light beams, incident on a flat aluminum foil reflects from the mirror-like surface so that the angle of incidenceequals the angle of reflection. You wrinkle the foil. Would individual light beams obey the law of reflection in this case?
Selected Answer: Yes
Correct Answer: Yes
Question 6 1 of 1 points
You are in a foggy room with a flashlight looking for objects. You see the flashlight beam because the water particles
Selected Answer: reflect the light
Correct Answer: reflect the light [Show Less]