Physics
Assertion (A) : For a given time interval, average velocity and average speed can have different values.
Reason (R) : Speed is a scalar quantity whereas velocity is a vector quantity.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Related Questions
Assertion (A) : The displacement of a body can be zero even if the distance travelled by it is not zero.
Reason (R) : Displacement is the shortest distance from the initial to the final position of body.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Assertion (A) : The slope of displacement-time graph gives the velocity.
Reason (R) : Velocity is the product of displacement and time.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Assertion (A) : The velocity-time graph of a body in motion can be a straight line parallel to the time axis.
Reason (R) : This is because the motion of body is with uniform velocity.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false