TRY THIS. 1. Which instrument is most similar to the eye? a. telescope c. eye glasses b. microscope d. camera 2. Which property of light waves make the images seen in lenses? a. refraction c. interference b. diffraction d. polarization 3. A farsighted person needs a convex lens. This lens can make the image fall a. beyond the retina of the eye. b. on the retina of the eye. c. before the retina of the eye. d. on the eyeball 4. What part of a camera corresponds to the retina of the human eye? a. the film c. the lens b. the shutter d. the opening 5. A ray of light passing obliquely from water into glass a. does not change direction. b. is refracted away from the normal. c. is refracted toward the normal. d. is totally reflected. 6. When light travels from an optically denser medium to an optically less dense one, it bends. Which statement describes the bending? a. towards the normal b. away from the normal c. along the normal d. none of the above
Posted on: Wed, 30 Jul 2014 12:18:39 +0000
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