. झील की सतह से m ऊँचे किसी बादल का उन्नयन कोण है तथा
झील में इसके प्रतिबिम्ब का अवनमन कोण45° है। बादल की ऊँचाई
क्या होगी?
(A) 2h
(B) h tan a
(C) h tan(45+a)
(D) इनमे से कोई नही
Answers
Answered by
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बादल की ऊँचाई = h * Tan(45 + a)
Step-by-step explanation:
बादल की ऊँचाई = x
Tan a = (x - h)/d
प्रतिबिम्ब का अवनमन कोण45°
=> Tan 45° = (x + h)/d
=> 1 = (x + h)/d
=> d = x + h
=> Tan a = (x - h)/(x + h)
=> xTana + hTana = x - h
=> h(Tana + 1) = x(1 - Tana)
=> x = h (1 + Tana)/(1 - Tana)
=> x = h * Tan(45 + a)
बादल की ऊँचाई = h * Tan(45 + a)
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Answer:
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