Multiple Choice
The focal length of the lens of a simple digital camera is 40 mm,and it is originally focused on a person 25 m away.In what direction must the lens be moved to change the focus of the camera to a person 4.0 m away?
A) It does not make any difference.
B) sideways from the CCD sensors
C) away from the CCD sensors
D) towards the CCD sensors
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The near point of a farsighted person
Q3: The focal lengths of the objective lens
Q4: Chromatic aberration in lenses is due to
Q5: A very delicate sample is placed 0.150
Q6: You have available lenses of focal lengths
Q8: A nearsighted person cannot see objects beyond
Q9: You have available lenses of focal lengths
Q10: To maximize the magnification of a refracting
Q11: The length of the telescope is 1.60
Q12: What is the uncorrected near point of