MHT-CET

Mathematics in Physics question bank (Physics)

Practice 118 free MHT-CET Physics - Mathematics in Physics questions with answers and step-by-step solutions.

Q1.

The resultant of two vectors $\vec{A}$ and $\vec{B}$ is perpendicular to $\vec{A}$ and the magnitude is $\dfrac{1}{\sqrt{2}}$ times that of $\vec{B}$ . The angle between $\vec{A}$ and $\vec{B}$ is

(A)
$45^\circ$
(B)
$135^\circ$
(C)
$90^\circ$
(D)
$120^\circ$
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Q2.

If $\vec{A} = \vec{B} + \vec{C}$ and magnitudes of $\vec{A}, \vec{B}$ and $\vec{C}$ are 5, 4 and 3 units respectively. The angle between $\vec{A}$ and $\vec{C}$ is

(A)
$\left(\dfrac{\pi}{2}\right)^c$
(B)
$\cos^{-1}\left({4}/{5}\right)$
(C)
$\sin^{-1}\left({3}/{4}\right)$
(D)
$\cos^{-1}\left({3}/{5}\right)$
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