Question 1:

A microscope works by:

Explanation: A microscope works by magnifying the image of small objects, allowing us to see them in greater detail than with the naked eye.

Question 2:

A telescope is primarily used for:

Explanation: A telescope is primarily used for observing distant objects such as celestial bodies like stars, planets, and galaxies.

Question 3:

The main component of a camera that controls the amount of light entering is the:

Explanation: The main component of a camera that controls the amount of light entering is the aperture. It is an adjustable opening in the lens that determines the depth of field and exposure of the image.

Question 4:

The eyepiece in a telescope or microscope is used to:

Explanation: The eyepiece in a telescope or microscope is used to magnify the image produced by the objective lens, allowing for detailed observation or analysis.

Question 5:

Which of the following optical instruments uses a combination of lenses to produce an enlarged and erect image?

Explanation: A compound microscope uses a combination of lenses, including an objective lens and an eyepiece, to produce an enlarged and erect image of a small object.