Question

an astronomical telescope uses two lens of power 10 diopter and 1 diopter. State with reason which lens is preferred as objective lens and eye peice. calculate the magnifying power of the telescope if the final image is formed at the near point. How do the light gathering power and resolving power of a telescope change, if the aperture of the objective lens is doubled​

Answer 1

Answer:

1 diopter bro is preferred