# If the magnitude of the sum of two vectors is equal to the magnitude of the difference between the two vectors, the angle between these vectors is? 1. $$90^\circ$$ 2. $$45^\circ$$ 3. $$180^\circ$$ 4. $$0^\circ$$

Subtopic: Â Resultant of Vectors |
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From NCERT
NEET - 2016
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A particle moves from a point $$\left(\right. - 2 \hat{i} + 5 \hat{j} \left.\right)$$ to $$\left(\right. 4 \hat{j} + 3 \hat{k} \left.\right)$$ when a force of $$\left(\right. 4 \hat{i} + 3 \hat{j} \left.\right)$$ $$\text{N}$$ is applied. How much work has been done by the force?

 1 $$8$$ J 2 $$11$$ J 3 $$5$$ J 4 $$2$$ J
Subtopic: Â Scalar Product |
Â 63%
From NCERT
NEET - 2016
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If the magnitude of the sum of two vectors is equal to the magnitude of the difference of the two vectors, the angle between these vectors is:

$1.$ ${0}^{0}$
$2.$ ${90}^{0}$
$3.$ ${45}^{0}$
$4.$ ${180}^{0}$

Subtopic: Â Resultant of Vectors |
Â 74%
AIPMT - 2016
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