Question:medium

Which of the following statements is/are correct?

Updated On: Nov 25, 2025
  • The unit of Lighting Power Density is \(W/m^2\).
  • The unit of Lighting Power Density is \(cd/m^2\).
  • The unit of Sound Power is \(W\).
  • The unit of Energy Performance Index is \(kWh/m^2/year\).

Questions Asked in GATE AR exam