Two convex lenses are placed 15 cm apart. the left lens has a focal length of 10 cm, and the right lens a focal length of 5 cm. an object is 50 cm to the left of the left. lens. where does the image from the right lens appear? is this image real or virtual? this setup is essentially a simple telescope, (the shorter focal length lens being the one you look through) so what does your answer tell you about looking at a nearby object through a telescope? (hint: treat the image from the left lens as the object for the right lens.)

The image distance from right lens is 2.86 cm and image is real.

Explanation:

Given that,

Focal length of left lens = 10 cm

Focal length of right lens = 5 cm

Distance between the lenses d= 15 cm

Object distance = 50 cm

We need to calculate the image distance from left lens

Using formula of lens

Put the value into the formula

We need to calculate the image distance from right lens

The object distance will be

Using formula of lens

Put the value into the formula

The image is real.

Hence, The image distance from right lens is 2.86 cm and image is real.

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.