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Geometrical Optics question

2025 · 24 Jan · Shift 2 · Q68
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  5. /2025 · 24 Jan · Shift 2 · Q68

Geometrical Optics question

2025 · 24 Jan · Shift 2 · Q68

JEE MainPhysicsGeometrical OpticsMCQ+4 / −1
A photograph of a landscape is captured by a drone camera at a height of 18 km . The size of the camera film is 2 cm×2 cm2 \mathrm{~cm} \times 2 \mathrm{~cm}2 cm×2 cm and the area of the landscape photographed is 400 km2400 \mathrm{~km}^2400 km2. The focal length of the lens in the drone camera is :
  1. A
    2.8 cm
  2. B
    0.9 cm
  3. C
    2.5 cm
  4. D
    1.8 cm
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