Multiple choice

Which device is used to view objects on a screen?

  1. periscope

  2. camera

  3. mirror

  4. microscope

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A camera is a device which is used to view the object on a screen. Periscope is a device used to see the concealed positioned objects, a microscope to look the larger view of very small objects which are not visible with the naked eye. Mirror produces and image only till the time that a particular object is lying in its path.