AIPMT PRELIMS2007Physics-Vectors
AIPMT PRELIMS 2007 Physics Direction Cosines MCQ Question
Type: MCQ-conceptual-Easy-Class 11
A particle starting from the origin (0,0) moves in a straight line in the (x, y) plane. Its coordinates at a later time are (√3, 3). The path of the particle makes with the x-axis an angle of
A
45°
B
60°
C
0°
D
30°
Correct Answer
Option B
Detailed Explanation
The slope of the line is given by tan θ = y/x = 3/√3 = √3, which corresponds to an angle of 60°.
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