An astronomical telescope has objective and eyepiece of focal lengths 40 cm and 4 cm respectively. To view an object 200 cm away from the objective and the image is formed at infinity , the lenses must be separated by a distance

A astronomical telescope has objective and eyepiece of focal length 40 cm and 4 cm respectively. To view an object 200 cm away from the objective, the lenses must be separated by a distance

An astronomical telesope has objective and eyepiece of focal lengths 40cm and 4 cm respectively. To view an object 200cm away from the objective, the lenses must be separated by a distance :

An astronomical telesope has objective and eyepiece of focal lengths 40cm and 4 cm respectively. To view an object 200cm away from the objective, the lenses must be separated by a distance :

An astronomical telesope has objective and eyepiece of focal lengths 40cm and 4 cm respectively. To view an object 200cm away from the objective, the lenses must be separated by a distance :

A astronmical telescope has objective and eyepiece of focal lengths 40 cm and 4 cm respectively To view an object 200 cm away from the objective ,the lenses must be separated by a distance:

A astronomical telescope has objective and eyepiece of focal lenghts 40 cm 4 cm respectively. To view an object 200 cm away from the objectiv, the lenses must be speparted by a distance

An astronomical telescope has an objective of focal length 20 cm and an eyepiece of focal length 4.0 cm. The telescope is focused to see an object 10 Km from the objective .The final image is formed at infinity. Find the length of the tube and the angular magnification produced by the telescope.