IMAX CINEMA ¡V PHYSICS Coursework Visit ¡V Help Sheet

Recommended applications of physics:

1. IMAX Projector and lens
The IMAX projector uses a convex lens with the object (the film strip) very close to the focal point. This produces an inverted, real image with a very high magnification. You could draw a ray diagram to illustrate this.

o The image distance (v) from lens to screen is 16.76 m.
o The height of object (ho) is 6.5cm (height of the film strip.
o The height of image (hi) is 16.46m.
o Formulae magnification m = v/u = hi / ho
o Lens equation: 1/u + 1/v = 1/f

Using this data and the formulae, you could get the focal length of the IMAX lens and the power of the lens.

Using the data given and an estimate of the width of the image, you could also calculate the power on every m2 area of the screen.

Other facts:
o The film is fed sideways at 24 images per second and a speed of 360 feet per minute.
o A vacuum sucks the film on to the apparatus to ensure......

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Title: Imax Cinema- Help Sheet
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1. Imax Cinema- Help Sheet
   

   IMAX CINEMA- help sheet. IMAX CINEMA ¡V PHYSICS Coursework Visit ¡V Help
   Sheet Recommended applications of physics: 1. IMAX Projector ... ...