1. Which is the correct orientation of the image produced by a Galilean telescope with respect to the object?

2. Why do astronomers prefer to use reflecting telescope in viewing astronomical objects?

3. A group of tourists wishes to see the “milky way”. Which optical instrument will give them a wider field of view?

4. A compound microscope uses a system of lenses. Which property of light is observed in this device?

5. Which instrument produces a virtual, larger, and upright image?

6. How would you describe the image produced by a microscope?

7. Which shows the correct sequence of image formation in reflecting telescopes?

I. The light rays refract on the eyepiece producing an enlarged image. II. Light from the distant object enters the telescope.

III. Light converges after hitting the parabolic mirror. 

IV. A plane mirror catches and redirects the light.

8. What happens to the image formed in a compound microscope when the eyepiece lens is adjusted far from the focal point of the objective lens?

9. An enlarged image of a cell was flashed on a screen. Which optical set was able to produce the image?

10. Reflecting telescopes and microscopes produce an enlarged image of the object. Which is TRUE about these optical instruments?