ILLUMINATION - Quiz

1) Which is the unit of luminous intensity?

Candela Lumen Lumen/m² Lumen/watt

2) Which is defined as that the luminous flux reaching a surface perpendicularly per unit area?

Luminous flux Illuminance Luminous intensity Lux

3) Which is the property of good illumination?

Should cover huge area Should have glaring light Should be low consumption Should not strain the eyes

4) Which metal is used a filament incandescent lamps?

Nichrome Tungsten Eureka Silver

5) Where halogen lamps are used?

Domestic lighting Industrial lighting TV photography Out door lighting