1. Temperature is a scalar as it has no direction. Velocity, acceleration, and force are vectors. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    Temperature is a scalar as it has no direction. Velocity, acceleration, and force are vectors.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    See less
    • 7
  2. Force is a derived quantity expressed as F=ma, which depends on the fundamental quantities of mass (M), length (L), and time (T). Length, time, and mass are fundamental quantities. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    Force is a derived quantity expressed as F=ma, which depends on the fundamental quantities of mass (M), length (L), and time (T). Length, time, and mass are fundamental quantities.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    See less
    • 8
  3. The refractive index is the ratio of the speed of light in vacuum to the speed of light in a medium, so it is dimensionless. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    The refractive index is the ratio of the speed of light in vacuum to the speed of light in a medium, so it is dimensionless.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    See less
    • 11
  4. All measurements involve errors, whether random or systematic. Only the magnitude of errors can vary. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    All measurements involve errors, whether random or systematic. Only the magnitude of errors can vary.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    See less
    • 5
  5. Energy is measured in joules (J) in the SI system, defined as 1J=1N⋅m. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    Energy is measured in joules (J) in the SI system, defined as 1J=1N⋅m.

    For more please visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/

    See less
    • 10