Optics Question 416

Question: The focal lengths of the objective and eye-piece of a telescope are respectively 100 cm and 2 cm. The moon subtends an angle of 0.5o at the eye. If it is looked through the telescope, the angle subtended by the moon’s image will be

[MP PMT 2000; DCE 2003]

Options:

A) 100o

B) 50o

C) 25o

D) 10o

Show Answer

Answer:

Correct Answer: C

Solution:

βα=fofeβ0.5o=1002β=25o



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक