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The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is

A. 1 : 10,000

B. 1 : 15,000

C. 1 : 20,000

D. 1 : 30,000

Answer: Option C


This Question Belongs to Civil Engineering >> Surveying

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Comments ( 6 )

  1. Sakar Kc
    Sakar Kc :
    3 years ago

    Correction in qstn height=3000m
    Then
    Scale=f/h
    1/X=(15/100)/3000
    X=20000
    Scale =1:20,000

  2. Dilip Karki
    Dilip Karki :
    3 years ago

    I think, answer should be 1:2,000 instead of 1:20,000.
    Scale = focal length /Height of photographer from the ground
    = 15 cm/300 m
    =15cm/300*100cm
    = 15/30,000
    = 1/2,000
    =1:2,000

  3. Laboni Sangma
    Laboni Sangma :
    3 years ago

    Scale=f/flying height =15/300,000 =1:20, 000

  4. Abhishek Bagul
    Abhishek Bagul :
    4 years ago

    scale=f/flying ht

    =(15/100)/(30*100)
    =1:20000

  5. Bhanu Prakash
    Bhanu Prakash :
    5 years ago

    How to get the ans

  6. New Updates
    New Updates :
    5 years ago

    Hu

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