# The difference of parallax for a given difference in elevation is independent of

A. Focal length of the camera

B. Overall size of the photo graphs

C. Percentage of overlap

D. All the above

**Answer: Option D **

Related Questions on Surveying

A. Satellite station

B. Subsidiary station

C. Pivot station

D. Main station

**The latitude (λ) of a place and the altitude (α) of the pole are related by
**

A. λ = α

B. λ = 90° - α

C. λ = α - 90°

D. λ = 180° - α

**The two point problem and three point problem are methods of**

A. resection

B. orientation

C. traversing

D. resection and orientation

A. Once

B. Twice

C. Thrice

D. Four times

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