science
Grade6
Easy
Question
The projection of a projector is a ____ image.
- Real
- Virtual
- Blurred
- None of the above
Hint:
A film projector is a device that can project an image onto a normally blank screen. You can see projectors in various places such as cinemas, auditoriums, etc., but most of them have been replaced by new technological devices.
The correct answer is: Real
- Film projectors create a real image because multiple mirrors are used in film projectors. Light coming from the roll when focused on the first lens forms a real image and a reverse image.
- The light then hits the screen again, eventually forming an upright image on the screen.
- The image formed each time is inverted and the process is repeated twice so the final image is upright.
- The light is first bundled in a concave mirror to create a virtual image, then with the help of another concave mirror, the real and erect images are created.
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