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NEET Physics · Physics and Measurement

Units, SI units, fundamental and derived units

Taught in NCERT Class 11 Physics, Chapter 1: Units and Measurements.

8 verified questions: Easy 8 · Medium 0 · NEET level 0

Sample questions

Sample 1Easy

The SI unit of luminous intensity is the

  1. A

    lumen

  2. B

    candela

  3. C

    lux

  4. D

    watt

Show the answer
The answer is B.

Luminous intensity is one of the seven SI base quantities and its base unit is the candela (cd).

  • A.

    The lumen is the unit of luminous flux, a derived unit.

  • C.

    The lux is the unit of illuminance, a derived unit.

  • D.

    The watt is the unit of power.

NCERT: Class 11 Physics, Chapter 1, 1.2

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