A particle moves from position null to due to a uniform force of N. If the displacement is in m, then the work done will be: (Given: \(W=\vec{F}.\vec{S}\))
1. 100 J
2. 200 J
3. 300 J
4. 250 J
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe dot product of two mutual perpendicular vector is:
1. 0
2. 1
3.
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe angle between the two vectors and is:
1. 0°
2. 90°
3. 180°
4. 45°
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf \(\vec{A} = 2\hat{i} + \hat{j} - \hat{k}\) , \(\vec{B} = \hat{i} + 2\hat{j} + 3\hat{k}\) , and \(\vec{C} = 6 \hat{i} - 2\hat{j} - 6\hat{k}\) , then the angle between \((\vec{A} + \vec{B})\) and \(\vec{C}\) will be
1. 30°
2. 45°
3. 60°
4. 90°
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe magnitude of the resultant of two vectors of magnitude 3 units and 4 units is 1 unit. What is the value of their dot product?
1. –12 units
2. –7 units
3. –1 unit
4. 0
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biologyare two vectors given by and . The component of parallel to is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf vector and are functions of time, then the value of t at which they are orthogonal to each other will be:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe vector sum of two forces is perpendicular to their vector difference. In that case, the forces:
1. are not equal to each other in magnitude.
2. cannot be predicted.
3. are equal to each other.
4. are equal to each other in magnitude.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe angle which the vector makes with the y-axis, where and are unit vectors along x- and y-axis, respectively, is
1. cos-1 (3/5)
2. cos-1 (2/3)
3. tan-1 (2/3)
4. sin-1 (2/3)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe unit vector perpendicular to vectors is
1.
2.
3.
4. None of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology