Home
Class 12
PHYSICS
Assertion: Distance is a actual length o...

Assertion: Distance is a actual length of the path but displacement is a shortest distance between initial and final position.
Reason: Distance is a scalar quantity and it is always positive but displacement is a vector quantity. It may be positive, negative or zero.

A

If both assertion `&` Reason are True `&` the Reason is a corrrect explanation of the Asserion.

B

If both Assertion `&` Reason are True but Reason is not correct explanation of the Assertion.

C

If Assertion is Trie but the Reason is False.

D

If both Assertion `&` Reason are false

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PALNE

    ALLEN |Exercise SOLVED EXAMPLE|28 Videos
  • MOTION IN A PALNE

    ALLEN |Exercise EXERCISE-2|170 Videos
  • KINEMATICS-2D

    ALLEN |Exercise Exercise (O-2)|47 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (JA)|4 Videos

Similar Questions

Explore conceptually related problems

Assertion: Distance is a scalar quantity. Reason: Distance is the length of path traversed.

The distance covered by an object in the given time duration may be positive, negative or zero.

Assertion: Displacement of a body may be zero when distance travelled by it is not zero. Reason: The displacement is the longest distance between initial and final position.

Assertion: If the initial and final positions coincide, the displacement is a null vector. Reason: A physical quantity can not be called a vector, if its magnitude is zero.

Angular position theta is scalar where angular displacement Deltatheta is vector.

Assertion: The distance and displacment both are equal when the particle moves in a straight line. Reason: In straight line motion distance travelled= Idisplacement I.

Assertion: Adding a scalar to a vector of the same dimensions is a meaningful algebraic operation. Reason: The displacement can be added with distance.

Distance between two point (8, -4) and (0, a) is 10 . All the values are in the same unit of length. Find the positive value of a.

Assertion :- Work done is positive when force acts in the direction of displacement. Reason :- Work done by frictional force can not be positive.

A car goes A to B along the path with constant accelertion "a" as shown in figure. Student -1 infers that initial velocity is positive acceleration is negative and displacement is positive. Student-2 infers that initial velocity is negative. acceleration is positive and displacement is positive.

ALLEN -MOTION IN A PALNE-EXERCISE-3
  1. Assertion: In general |Displacement| le distance. Reason: The instan...

    Text Solution

    |

  2. Assertion: In a free fall, the initially velocity of a boyd may or may...

    Text Solution

    |

  3. Assertion: Distance is a actual length of the path but displacement is...

    Text Solution

    |

  4. Assertion: Rest of a body is a relative term. Reason: Motion of a bo...

    Text Solution

    |

  5. Assertion: If a body moves on a straight line, magnitude of its displa...

    Text Solution

    |

  6. Assertion: Separation between two bodies moving in the same direction ...

    Text Solution

    |

  7. Assertion: To cross the river in minimum time swimmer should swimming ...

    Text Solution

    |

  8. Assertion: A body moving with constant acceleration always travels equ...

    Text Solution

    |

  9. Assertion: A body,whatever its motion, is always at rest in a frame of...

    Text Solution

    |

  10. Assertion : A body droped from a given height and another body project...

    Text Solution

    |

  11. Statement-I : A projectile is thrown with an initial velocity of (ahat...

    Text Solution

    |

  12. Assertion: If the positon vector of a particle moving in space is give...

    Text Solution

    |

  13. Assertion: In projectile motion, when horizontal range is n times the ...

    Text Solution

    |

  14. Assertion: Path of projected ball becomes parabolic in gravitational f...

    Text Solution

    |

  15. Assertion: In projectile motion, the acceleration is constant in both ...

    Text Solution

    |

  16. Assertion: In projectile motion horizontal velocity remains same but v...

    Text Solution

    |

  17. Assertion: In projectile motion, the vertical velocity of the particle...

    Text Solution

    |

  18. Assertion: The path of one projectile as seen for another projectile i...

    Text Solution

    |

  19. Assertion: In case of projectile motion, acceleration horizontal compo...

    Text Solution

    |

  20. Assertion: In the projectile motion projected boyd behave just like a ...

    Text Solution

    |