21 A telescope has an objective lens of focal length 150 cm

Last updated: 6/26/2023

21 A telescope has an objective lens of focal length 150 cm and an eyepiece of focal length 5 cm If a 50 m tall tower at a distance of 1 km is observed through this telescope in normal setting the angle formed by the image of the tower is 0 then 0 is close to al bj a 30 b 15 A metal sampl c 84 d 1 2