Q.1
Human eye is most sensitive to ___ with same intensiy
  • Violet region
  • Green region
  • Reg region
  • Equal sensitivity in all light region
Q.2
Round each number to the nearest 7
  • 0
  • 10
Q.3
Direct lighting provide maximum light flux
  • Equal to upward and downwards
  • No such restriction
  • downwards
  • Upwards
Q.4
Round each number to the nearest236
  • 230
  • 240
0 h : 0 m : 1 s