If  $|$ $\stackrel{\to }{A}$ $+$ $\stackrel{\to }{B}$ $|$ $=$ $|\stackrel{\to }{A}|$  $=$ $|$ $\stackrel{\to }{B}|$ then angle between A and B will be:

1.  $90°$

2. $120°$

3. $0°$

4. $60°$

Subtopic:  Resultant of Vectors |
66%
From NCERT
AIPMT - 2001
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The vector sum of two forces is perpendicular to their vector difference. In this case, the two forces:

1. Are equal

2. Have the same magnitude

3. Are not equal in magnitude

4. Cannot be predicted

Subtopic:  Resultant of Vectors |
70%
From NCERT
AIPMT - 2003
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1. ${\left({\mathrm{A}}^{2}+{\mathrm{B}}^{2}+\frac{\mathrm{AB}}{\sqrt{3}}\right)}^{1/2}$

2. A+B

3. ${\left({\mathrm{A}}^{2}+{\mathrm{B}}^{2}+\sqrt{3}\mathrm{AB}\right)}^{1/2}$

4. ${\left({\mathrm{A}}^{2}+{\mathrm{B}}^{2}+\mathrm{AB}\right)}^{1/2}$

Subtopic:  Scalar Product | Vector Product |
68%
From NCERT
AIPMT - 2004
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If a vector ($2\stackrel{^}{\mathrm{i}}+3\stackrel{^}{j}+8\stackrel{^}{k}$) is perpendicular to the vector ($4\stackrel{^}{\mathrm{i}}-4\stackrel{^}{j}+\mathrm{\alpha }\stackrel{^}{k}$), then the value of $\mathrm{\alpha is:}$

1. -1

2. $-\frac{1}{2}$

3. $\frac{1}{2}$

4. 1

Subtopic:  Scalar Product |
74%
From NCERT
AIPMT - 2005
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If the angle between the vector is θ, the value of the product $\left(\stackrel{\to }{\mathrm{B}}×\stackrel{\to }{\mathrm{A}}\right)\cdot \stackrel{\to }{\mathrm{A}}$ is equal to:

1. zero

2. BA2sinθcosθ

3. BA2cosθ

4. BA2sinθ

Subtopic:  Scalar Product | Vector Product |
59%
From NCERT
AIPMT - 2005
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NEET 2023 - Target Batch - Aryan Raj Singh
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