Question

10th class computer science guesting what do you mean by over head projector what are guideliny for hadling ohp example​

Answer 1

Answer:

An OHP stand for Overhead projector having a light source behind the mirror and a reflecting mirror mounted over it.

1. place the proejector on a flat and steady.

(1)Farther the projector larger the image .

(2)An OHP with 14 inch standard lens should be fitted 8to10 feet from the screen for a 6 inch wide image

2. place the transparencies over the glass panel.

3. join the cord with electric outlet and turn on the main power switch .

4. Set the image the horizontally.

5.Set the image vertically