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    A ray of light entering the second medium perpendicularly through the surface of separation shows no change of direction why?
    Answers: 1 | Views: 1460 | Rating: 0 | Posted: 13 years ago
    Last answer: ROMOS 13 years ago
    Doctors use concave lens for the examination of eye,throat,nose & ear why?
    Answers: 1 | Views: 909 | Rating: 0 | Posted: 13 years ago
    Last answer: Colleen 13 years ago
    Dear Abby...Did my dog fart to pay the cat back for getting to sit on my wifes lap
    Answers: 1 | Views: 1187 | Rating: 0 | Posted: 15 years ago
    Last answer: tinaajohnson 15 years ago

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