The angle of elevation of the top of a tower is 30°. If the height of the tower is doubled, then the angle of elevation of its top will
(A) also get doubled
(B) will get halved
(C) will be less than 60 degree
(D) None of these
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The angle of elevation of the top of a tower is 30∘. If the height of the tower is doubled, then the angle of elevation of its top will also be doubled. Case II By condition, the height of the tower is doubled, i.e., PR=2h. Hence, the requried angle is not doubled
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