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Question

Candela is unit of _________.

The correct answer is

luminous intensity

The candela (cd) is the SI base unit of luminous intensity: the light emitted by a source in a specified direction, weighted by the standard response of human vision.

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Important Questions from The international system of units

  1. What is the SI unit of the permittivity of free space ($\$ \epsilon_0 \$ $) when expressed in terms of the fundamental SI units (kilogram, meter, second, and ampere)?
  2. The energy value of food is measured in the Unit of

  3. Which of the following physical quantities has its SI unit defined as one Weber of magnetic flux per Ampere of current ($1 \text{ Wb/A}$), or equivalently, one Volt-second per Ampere ($1 \text{ V}\cdot\text{s/A}$)?
  4. Which of the following expressions correctly represents the SI derived unit for velocity, utilizing only SI base units?
  5. Which of the following is not the SI base unit?
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