Multiple Choice
Two lenses, the first with focal length −12.5 cm and the second with focal length 20.0 cm, are separated by 15.0 cm. If an object is placed 50.0 cm in front of the first lens, where is the final image formed?
A) 10.0 cm before the first lens
B) 25.0 cm before the second lens
C) 25.0 cm after the second lens
D) 50.0 cm after the second lens
E) 100 cm after the second lens
Correct Answer:
Verified
Correct Answer:
Verified
Q22: A nearsighted person has a far point
Q23: An astronomical telescope has a barrel length
Q24: Two converging lenses, the first with focal
Q25: The pupil of the eye controls<br>A) the
Q26: A camera with a 50.0 mm lens
Q28: To get the same exposure on the
Q29: Reflecting telescopes may suffer from what kind
Q30: Two converging lenses, the first with focal
Q31: Two converging lenses, the first with focal
Q32: A compound microscope gives a magnification of