Home
Class 12
PHYSICS
Which of the following statements is inc...

Which of the following statements is incorrect? (i) Average velocity is path length divided by time interval.
(ii) In general, speed is greater than the magnitude of the velocity.
(iii) A particle moving in a given direction with a non-zero velocity can have zero speed. (iv) The magnitude of average velocity is the average speed.

A

`pi/2`

B

`2/pi`

C

`pi/4`

D

`1:1`

Text Solution

Verified by Experts

The correct Answer is:
A
`("Distance")/("Dispacement")=(pid//2)/d=pi/2`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MOTION IN A PALNE

    ALLEN|Exercise Comprehension#2|5 Videos

  • MOTION IN A PALNE

    ALLEN|Exercise Comprehension#3|5 Videos

  • MOTION IN A PALNE

    ALLEN|Exercise Assertion-Reason|20 Videos

  • KINEMATICS-2D

    ALLEN|Exercise Exercise (O-2)|46 Videos

  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN|Exercise EXERCISE (JA)|4 Videos

Similar Questions

Explore conceptually related problems

Under what condition the magnitude of average velocity is equal to the average speed ?

The magnitude of average velocity is equal to the average speed when a particle moves:-

Under what condition is the magnitude of the average velocity of a particle moving in onbe dimension smaller than the average speed over same time interval?

Under what conditions (s) is the magnitude of average velocity of an object equal to its average speed ?

Under what conditions (s) is the magnitude of average velocity of an object equal to its average speed ?

A particle is moving in a circle of radius r with speed v as shown in the figure. The magnitude of change in velocity in moving from P to Q is

A particle is moving in a circle of radius r with speed v as shown in the figure. The magnitude of change in velocity in moving from P to Q is

Assertion: Average speed of a particle in a given time interval is never less than the magnitude of the average velocity. Reason: The magnitude of the velocity (instantaneous velocity) of a particle is equal to its speed.

Average speed is always equal to magnitude of average velocity. Is this statement true or false ?

If average velocity of particle moving on a straight line is zero in a time interval, then

Home
Profile