Question

In which of the following instruments is final image erect?

• A. Simple microscope
• B. Compound microscope
• C. Astronomical telescope
• D. Galilean telescope

Answer 1

Answer: (A), (D)

The correct options are
A Simple microscope
D Galilean telescope

Simple microscope is placed between the optic center and the focus and the image is erect, virtual and magnified.

For compound microscope -The final image is virtual, inverted and magnified.

The final image formed by an astronomical telescope is always virtual, inverted.

Galilean telescope is to produce a virtual, erect image.