The volume flow rate of water flowing out of a tubewell is given by . What volume of water will flow out of the tubewell in the third second if the volume flow rate is defined as Q =?
1. 10
2. 17
3. 36
4. 34
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)
(2)
(3)
(4)
What is the maximum value of 5sinθ – 12cosθ?
1. 12
2. 17
3. 7
4. 13
If , then which of the following statement is correct?
1. must be perpendicular to
2. must be perpendicular to
3. Component of along = Component of along
4. Component of along = - (Component of along )
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. |
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. |
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. |
Given are two vectors, and . What should be the value of c so that vector would become parallel to each other?
1. 1
2. 2
3. 3
4. 4
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