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In a projector, the slide is put upside down so that the image form on the screen is upright.
The characteristic of the image formed by an overhead projector is
In a projector, the object (the slide) must be placed __________ of the projector lens.
f = focal length of the projector lens
In a projector, the light bulb must be placed ________ of the concave mirror.
F = principle focus of the concave mirror
C = the centre of curvature of the concave mirror
Which of the followings are the function of the condenser in a projector.