The volume flow rate of water flowing out of a tubewell is given by \(Q = \left( 3 t^{2}- 4 t +1\right)~\text{m}^3/\text{sec}  \). What volume of water will flow out of the tubewell in the third second if the volume flow rate is defined as \(Q=\frac{dV}{dt}\)?
1. \(10\) m3
2. \(17\) m3
3. \(36\) m3
4. \(34\) m3

Subtopic:  Integration |
 63%
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Find \(\frac{dy}{dx}, \) if \(y = t^3+1\) and \(x = t^2+3\):
1. \(\frac{t^2}{3}\)
2. \(\frac{t}{2}\)
3. \(\frac{3t}{2}\)
4. \(t^2\)

Subtopic:  Differentiation |
 85%
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A thin wire bent to form a circle and carrying a current I has a magnetic moment M. The shape of the wire is changed to a square and it carries the same current. It will have a magnetic moment

(1) πM4

(2) M4

(3) M

(4) πM

 52%
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What is the maximum value of \(5\sin\theta-12\cos\theta\)?

1. \(12\)

2. \(17\)

3. \(7\)

4. \(13\)

Subtopic:  Trigonometry |
 54%
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If \(\overrightarrow{A} \times \overrightarrow{B} = \overrightarrow{C} + \overrightarrow{D}\), then which of the following statement is correct?

1. \(\overrightarrow B\) must be perpendicular to \(\overrightarrow C\)
2. \(\overrightarrow A\) must be perpendicular to \(\overrightarrow C\)
3. Component of \(\overrightarrow C\) along \(\overrightarrow A\) = Component of \(\overrightarrow D\) along \(\overrightarrow A\)
4. Component of \(\overrightarrow C\) along \(\overrightarrow A\)  = - (Component of \(\overrightarrow D\) along \(\overrightarrow A\)
Subtopic:  Vector Product |
 51%
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A scalar quantity is one that:

1. is conserved in a process.
2. will never accept negative values.
3. must be dimensionless.
4. has the same value for observers with different orientations of axes.

Subtopic:  Scalars & Vectors |
 62%
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Given below are two statements: 

Statement I: A vector must have, magnitude and direction.
Statement II: A physical quantity cannot be called a vector if its magnitude is zero.
 
1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.
Subtopic:  Vector Product |
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Given below are two statements: 

Statement I: Three vectors equal in magnitude cannot produce zero resultant.
Statement II: Minimum four vectors are required to produce zero resultant.
 
1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.
Subtopic:  Resultant of Vectors |
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Given are two vectors, \(\overrightarrow{A} =   \left(\right. 2 \hat{i}   -   5 \hat{j}   +   2 \hat{k} \left.\right)\) and \(\overrightarrow{B} =   \left(4 \hat{i}   -   10 \hat{j}   +   c \hat{k} \right).\) What should be the value of \(c\) so that vector \(\overrightarrow A \) and \(\overrightarrow B\) would becomes parallel to each other?
1. \(1\)
2. \(2\)

3. \(3\)

4. \(4\)

Subtopic:  Vector Product |
 69%
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Two forces of the same magnitude are acting on a body in the East and North directions, respectively. If the body remains in equilibrium, then the third force should be applied in the direction of:

1. North-East

2. North-West

3. South-West

4. South-East

Subtopic:  Resultant of Vectors |
 73%
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