The focal length of the objective and eye piece of a telescope are respectively 100 cm and 2 cm. The moon subtends angle of 0.5°, the angle subtended by the moon’s image will be:
A. 10°
B. 25°
C. 100°
D. 75°
Answer:B
The focal length of the objective and eye piece of a telescope are respectively 100 cm and 2 cm. The moon subtends angle of 0.5°, the angle subtended by the moon’s image will be:
A. 10° B. 25° C. 100° D. 75°