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} \times 2 {\cm} and the area of the landscape photographed is 400 {\km}^2. The focal length of the lens in the drone camera is : [24 Jan 2025 Shift 2]

Ray Optics and Optical Instruments Part 3

Section: Physics

Question : 55 of 56

Marks: +1, -0

A photograph of a landscape is captured by a drone camera at a height of 18 km . The size of the camera film is 2‌cm×2‌cm and the area of the landscape photographed is 400km2. The focal length of the lens in the drone camera is :

[24 Jan 2025 Shift 2]

0.9 cm
2.5 cm
1.8 cm
2.8 cm

Validate

Go to Question:

Prev Question

Next Question