Published by:
CGP EDU Academic Team
Published on: August 14, 2026
An aeroplane flying horizontally 1 km above the ground is observed at an elevation of 60 o and after 10 seconds the elevation is observed to be 30 o . The uniform speed of the aeroplane in 
is
A
240
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
Time taken = 10 second
Speed = 
.
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