CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

A small telescope has an objective lens of focal length 144 cm and an eye piece of focal length 6.0 cm. What is the separation between the objective and the eye piece then?


A
0.75 m
loader
B
1.38 m
loader
C
1.0 m
loader
D
1.5 m
loader

Solution

The correct option is D 1.5 m
The seperation between the objective and the eye piece = Length of the telescope tube $$f = f_0 + f_e$$ 
Here, $$f_0 = 144 cm = 1.44 m, f_e = 6.0 cm = 0.06 m$$
$$\therefore f = 1.44 + 0.06 = 1.5\, m$$

Physics

Suggest Corrections
thumbs-up
 
0


similar_icon
Similar questions
View More


similar_icon
People also searched for
View More



footer-image