Optical Instruments

What type of lens is used to make a magnifying glass?

• Convex

• Concave

• Mirror

• Prism

What optical device is used to view distant objects?

• Binoculars

• Camera

• Microscope

• Telescope

What type of lens is used in a microscope and a telescope?

• Concave

• Convex

• One concave and one convex

• Two convex lenses

In which of the following instruments, the objective has a large focal length and a very large eyepiece?

• Simple microscope

• Compound microscope

• Telescope

• Camera

What is the first image produced by a compound microscope?

• Real and inverted

• Real and erect

• Virtual and erect

• Virtual and inverted

The image formed by a magnifying glass has a properties of __________.

• Real, inverted and enlarged

• Virtual, inverted and enlarged

• Real, upright and enlarged

• Virtual, upright and enlarged

Which optical instrument is inserted in the body in order to observe internal passages such as a person’s esophagus or intestines?

• Camera

• Endoscope

• Magnifying glass

• Periscope

Which optical instrument is used to record an image in a photographic film?

• Binoculars

• Camera

• Periscope

• Telescope

JV is doing an experiment and he wanted to see an enlarged image of the onion cell. What instrument will he use?

• Camera

• Magnifying glass

• Microscope

• Periscope

Which of the following is a characteristic of a compound microscope?

• The objective is a diverging lens.

• The eyepiece is a diverging lens.

• The final image is real.

• The image formed from the objective is real.