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The magnifying power of a telescope is 9. Whenit is adjusted for parallel rays the distancebetween the objective and eyepiece is 20 cm.The focal length of lenses are :    [2012]
  • a)
    10 cm, 10 cm
  • b)
    15 cm, 5 cm
  • c)
    18 cm, 2 cm
  • d)
    11 cm, 9 cm
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The magnifying power of a telescope is 9. Whenit is adjusted for paral...
f0 = 18 cm = focal length of the objective
fe = 2 cm = focal length of the eyepiece
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The magnifying power of a telescope is 9. Whenit is adjusted for parallel rays the distancebetween the objective and eyepiece is 20 cm.The focal length of lenses are : [2012]a)10 cm, 10 cmb)15 cm, 5 cmc)18 cm, 2 cmd)11 cm, 9 cmCorrect answer is option 'C'. Can you explain this answer?
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The magnifying power of a telescope is 9. Whenit is adjusted for parallel rays the distancebetween the objective and eyepiece is 20 cm.The focal length of lenses are : [2012]a)10 cm, 10 cmb)15 cm, 5 cmc)18 cm, 2 cmd)11 cm, 9 cmCorrect answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about The magnifying power of a telescope is 9. Whenit is adjusted for parallel rays the distancebetween the objective and eyepiece is 20 cm.The focal length of lenses are : [2012]a)10 cm, 10 cmb)15 cm, 5 cmc)18 cm, 2 cmd)11 cm, 9 cmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The magnifying power of a telescope is 9. Whenit is adjusted for parallel rays the distancebetween the objective and eyepiece is 20 cm.The focal length of lenses are : [2012]a)10 cm, 10 cmb)15 cm, 5 cmc)18 cm, 2 cmd)11 cm, 9 cmCorrect answer is option 'C'. Can you explain this answer?.
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