Multiple Choice
Situation 19.2
The objective and the eyepiece of a microscope have focal lengths of 4.0 mm and 25 mm,respectively.The objective produces a real image 30 times the size of the object.The final image is viewed at infinity.The near point of the microscope user is at 25 cm.
-In Situation 19.2,the distance between the object and the focal point of the objective,in mm,is closest to:
A) 0.13
B) 0.18
C) 0.23
D) 0.28
E) 0.33
Correct Answer:

Verified
Correct Answer:
Verified
Q11: You use a $600 lens from a
Q12: The intensity of light decreases as the
Q13: A farsighted boy has a near point
Q14: A magnifier consists of a converging lens
Q15: The objective lens of an astronomical telescope
Q17: The image of a tree on a
Q18: Situation 19.1<br>The objective of a microscope has
Q19: A 35 mm camera equipped with a
Q20: To give large magnification,a telescope should have<br>A)an
Q21: A lens of focal length 90 mm