Match the Columns - Science and Technology 1

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  Column I Column II Column III
1 Dispersion Long-sightedness Twinkling of stars
2 Refraction Splitting of white light into component colours Convex lens
3 Hypermetropia Change in the direction of the ray of light due to change in medium Spectrum of seven colours
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Solution

  Column I Column II Column III
1 Dispersion Splitting of white light into component colours Spectrum of seven colours
2 Refraction Change in the direction of the ray of light due to change in medium Twinkling of stars
3 Hypermetropia Long-sightedness Convex lens
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2012-2013 (March)

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Match the Following

Column A Column B 
(a) white Light  (1) Convex mirror
(b) Refraction (2) Concave mirror
(c) Virtual images  (3) refraction
(d) Real images  (4)  spectrum
(e) Prism (5) ray of light from glass to air 

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