Please answer question no.19
19. A small telescope has an objective lens of focal length 150 cm and eyepiece of focal length 5 cm. What is the magnifying power of the telescope for viewing distant objects in normal adjustments?
If this telescope is used to view a 100 m tall tower 3 km away, then what is the height of the tower formed by the objective lens?
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H. A small telescope has an objective lens of focal length 150 cm and eyepiece of focal length 5 cm. What is the magnifying power of the telescope for viewing distant objects in normal adjustments?
If this telescope is used to view a 100 m tall tower 3 km away, then what is the height of the tower formed by the objective lens?
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