Across
- 4. SOURCES THAT EMIT OR PRODUCE THEIR OWN LIGHT
- 7. THE ANGLE MADE BETWEEN NORMAL & THE INCIDENT RAY IS CALLED AS ANGLE OF?
- 9. THE THREE TYPES OF BEAMS ARE DIVERGENT, CONVERGENT AND ?
Down
- 1. A GROUP OF TWO OR MORE LIGHT RAYS TRAVELLING TOGETHER IS KNOWN AS
- 2. THIS TYPR OF REFLECTION IS PRODUCED BY ROUGH,DULL & UNEVEN SURFACES
- 3. UNIT OF LIGHT INTENSITY
- 5. NAME THE RAY THAT HITS OR STRIKES A SURFACE
- 6. UNIT OF LIGHT IN THE FORM OF ENERGY
- 8. OBJECTS THAT DO NOT ALLOW ANY LIGHT TO BE TRANSMITTED THROUGH IT
- 10. IF THE LIGHT RAY BOUNCES OFF AN OBJECT, WE SAY THAT THE LIGHT RAY IS