In illumination, \(\frac{\text { Mean spherical candle power of a source }}{\text { Mean hemi-spherical candle power of the same source }}\) = ?

1
Reduction factor
2
Maintenance factor
3
Absorption factor
4
Utilisation factor

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Quick Navigation