Government CDS Question:
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If a small raindrop falls through air—
(A) its velocity goes on increasing
(B) its velocity goes on decreasing
(C) its velocity goes on increasing for some time and then becomes constant
(D) it falls with constant speed for some time and then its velocity increases

Government CDS Interview Question
Government CDS Interview Question

Answer:

(C) its velocity goes on increasing for some time and then becomes constant

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Consider the following statements— X-rays
1. can pass through thin sheets of aluminium
2. can be deflected by magnetic field
3. move with a velocity less than the velocity of ultraviolet rays in vacuum Which of the statements given above is/are correct?
(A) 1, 2 and 3
(B) 1 only
(C) 2 and 3 only
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(B) weakness of antenna
(C) weakness of signal
(D) absorption of signal in air