Question

Shanti began to draw a Venn diagram comparing refracting and reflecting telescopes.

2 overlapping circles. The left circle labeled Refracting telescopes. The right circle labeled Reflecting Telescopes. An X in the overlap. Both as a label below and outside the overlap.
Which label could be written in the area marked X?

“Uses a convex mirror”
“Uses a concave mirror”
“Uses a concave eyepiece lens”
“Uses a convex eyepiece lens”

Answer 1

"Uses a convex eyepiece lens"

Explanation: Both refracting and reflecting telescopes use a convex (converging) eyepiece lens to magnify the image formed by the objective lens (refractor) or the primary mirror (reflector). The other choices involve mirrors or a concave eyepiece, which are not common to both.