Government CDS Question: Download Government CDS PDF

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

Previous Question	Next Question
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 (D) 1 and 2 only	Television signal cannot be received generally beyond a particular distance due to— (A) curvature of the earth (B) weakness of antenna (C) weakness of signal (D) absorption of signal in air