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1. |
A vector \(\vec r=a \hat i+b \hat j\) is equally inclined to both x and y axes. If the magnitude of the vector is 2 units, then what are the values of a and b respectively? |
A. | \(\dfrac{1}{2}, \dfrac{1}{2}\) |
B. | \(\dfrac{1}{\sqrt2}, \dfrac{1}{\sqrt2}\) |
C. | √2, √2 |
D. | 2, 2 |
Answer» D. 2, 2 | |