Home
Class 11
PHYSICS
Read each statement below carefully and ...

Read each statement below carefully and state with reasons, if it is true or false :
The magnitude of a vector is always a scalar.

Text Solution

Verified by Experts

1
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENT

    PATHFINDER|Exercise QUESTION BANK|30 Videos

  • WAVE MOTION AND SOUND -I & II

    PATHFINDER|Exercise QUESTION BANK|195 Videos

Similar Questions

Explore conceptually related problems

Read each statement below carefully and state with reasons and examples, if it is true or false , A particle in one-dimensional motion (a) with zero speed at an instant may have non-zero acceleration at that instant (b) with zero speed may have non-zero velocity, (c) with constant speed must have zero acceleration, (d) with positive value of acceleration must be speeding up.

True or False -The derivative of an even function is always an odd function.

There are some statements given below. Write whether they are true or false : Two line segments of same length are always congruent.

Write True or False : The circum centre of a triangle is always inside the triangle.

Write true or false Sum of two surds will be always irrational number.

PATHFINDER-VECTOR-I AND VECTOR-II-QUESTION BANK
  1. If y=2sin2x+3cos2x, find (d^2y)/dx^2.

    Text Solution

    |

  2. FInd the value of (d^2y)/(dx^2) if y=log(sec x-tan x)

    Text Solution

    |

  3. Read each statement below carefully and state with reasons, if it is t...

    Text Solution

    |

  4. Given veca+vecb+vecc+vecd=vec0, which of the following statements are ...

    Text Solution

    |

  5. A vector has both magnitude and direction. Does it mean that anything ...

    Text Solution

    |

  6. The rotation of a body can be specified by the direction of the axis o...

    Text Solution

    |

  7. Can you associate vectors with the length of a wire bent into a loop ...

    Text Solution

    |

  8. Can you associate vectors with a plane area ?

    Text Solution

    |

  9. Can you associate vectors with a sphere ? Explain

    Text Solution

    |

  10. The angle between vecA=hati+hatj and vecB=hati-hatj is

    Text Solution

    |

  11. Which one of the following statements is true ?

    Text Solution

    |

  12. The component of vector vecr along X-axis will have maximum value if :

    Text Solution

    |

  13. Consider the quantities : pressure, power, energy, impulse, gravitatio...

    Text Solution

    |

  14. Three vector vecA,vecB and vecC add up to zero. Find which is false ?

    Text Solution

    |

  15. It is found that abs(vecA+vecB)=absvecA. This necessarily implies : v...

    Text Solution

    |

  16. It is found that abs(vecA+vecB)=absvecA. This necessarily implies : v...

    Text Solution

    |

  17. It is found that abs(vecA+vecB)=absvecA. This necessarily implies : v...

    Text Solution

    |

  18. It is found that abs(vecA+vecB)=absvecA. This necessarily implies : v...

    Text Solution

    |

  19. If force F varies with displacement x as F=3x^2+4. The rate of change ...

    Text Solution

    |

  20. If velocity v depends on time t as v=-t^2+3t+1 (where is in second). A...

    Text Solution

    |