Related InterviewSolutions

• Assertion : A vector quantity is a quantity that has both magnitude and a direction and obeys the triangle law of addition and equivalently the parallelogram law of addition. Reason : The magnitude of the resultant vector of two given vectors can never be less than the magnitude of any of the given vector.A. If both Assertion & Reason are Tune & the Reason is a correct explanation of the Assertion. `B. If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.C. If Assertion is True but the Reason is False.D. If both Assertion & Reason are false.
• Assertion : If the initial and final positions coincide, the displacement is a null vector. Reason : A physical quantity cannot be called a vector, if its magnitude is zero.A. If both Assertion & Reason are Tune & the Reason is a correct explanation of the Assertion. `B. If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.C. If Assertion is True but the Reason is False.D. If both Assertion & Reason are false.
• Which of the following physical quantities is an axial vector ?A. displacementB. forceC. velocityD. torque
• The direction of the angular velocity vector is alongA. Along the tangent of circular pathB. Along the direction of radius vectorC. Opposite to the direction of radius vectorD. Along the axis of rotation
• The forces, which meet at one point but their line of action do not lie in one plane,are calledA. non-coplanar and non-concurrent forcesB. coplanar and non-concurrent forcesC. non- coplanar and concurrent forcesD. coplanar and concurrent forces
• Vector sum of two forces of 10N and 6N cannot be:A. 4NB. 8NC. 12ND. 2N
• The maximum number of components into which a vector in space can be resolved isA. 2B. 3C. 4D. Infinite
• What are the maximum number of (i) rectangular component vectors (ii)component vectors, into which a vector can be resolved in a plane ?A. 2B. 3C. 4D. Infinite
• If `hati,hatj` and `hatk` are unit vectors along X,Y `&` Z axis respectively, then tick the wrong statement:A. `hati*hati= 1`B. `hatixxhatj= hatk`C. `hati*hatj=0`D. `hatixxhatk=-hati`
• In the given figure, each box represents a function machine. A function machine illustrates what it does with the input. Which of the following statement are correct?A. `z= 2x+3`B. `z=2(x+3)`C. `z= sqrt(2x+3)`D. `z= sqrt(2(x+3))`