Question

(i) In a refracting type of telescope, what is the impact on its magnifying power if the objective and eyepiece lens are interchanged? Explain your answer. 

(ii) Give one advantage of using an objective lens with a large aperture in a telescope. 

Answer 1

(i) In a refracting type of telescope, if we interchange objective and eyepiece lence, then it will behave like a microscope.

(ii) Advantage

(a) Brighter image

(b) Higher diameter mirrors can be easily made higher radiation is obtained.

(c) No spherical and no. chromatic abberation.

Comments

Thanks for ur help