Question
Physics Question on Ray optics and optical instruments
A tower 100 m tall at a distance of 3 km is seen through a telescope having objective of focal length 140 cm and eyepiece of focal length 5 cm. Then the size of final image if it is at 25 cm from the eye
A
14 cm
B
28 cm
C
42 cm
D
56 cm
Answer
28 cm
Explanation
Solution
Answer (b) 28 cm