# Question: You are given two objectives and two eyepieces and are

You are given two objectives and two eyepieces and are instructed to make a telescope with them. The focal lengths of the objectives are 60.0 cm and 40.0 cm, and the focal lengths of the eyepieces are 0.90 cm and 0.80 cm.

(a) Which lens combination would you pick if you want to have maximum magnification? How about minimum magnification? Explain.

(b) Calculate the maximum and minimum magnifications.

(a) Which lens combination would you pick if you want to have maximum magnification? How about minimum magnification? Explain.

(b) Calculate the maximum and minimum magnifications.

## Answer to relevant Questions

(a) For a given wavelength, a wider single slit will give (1) a greater, (2) a smaller, (3) the same minimum angle of resolution as a narrower slit, according to the Rayleigh criterion. (b) What are the minimum angles of ...From a spacecraft in orbit 150 km above the Earth’s surface, an astronaut wishes to observe her hometown as she passes over it. What size features will she be able to identify with the unaided eye, neglecting atmospheric ...A radio telescope with a diameter of 300 m uses a wavelength of 4.0 m to observe a binary star system that is about 2.5 x 1018 km from the Earth. What is the mini-mum distance of two stars that can be distinguished by the ...A refracting telescope has an objective with a focal length of 50 cm and an eyepiece with a focal length of 2.0 cm. The telescope is used to view an object that is 10 cm high and located 50 m away. What is the apparent ...A puzzle like that in Fig. 26.18 was given to Albert Einstein on his 76th birthday by Eric M. Rogers, a physics professor at Princeton University. The goal is to get the ball into the cup without touching the ball. (Jiggling ...Post your question