Class X

The light sensitive cell present on retina and is sensitive to the intensity of light is:
  1. Cones
  2. Rods
  3. Both rods and cones
  4. None of these
The colored light that refracts most while passing through a prism is
  1. Yellow
  2. Violet
  3. Blue
  4. Red
The persistence of vision for human eye is
  1. 1/10th of a second
  2. 1/16th of a second
  3. 1/6th of the second
  4. 1/18th of a second
The change in the focal length of human eye is caused due to
  1. Ciliary muscles
  2. Pupil
  3. Cornea
  4. Iris
The amount of light entering the human eye is controlled by
  1. Ciliary muscles
  2. Pupil
  3. Cornea
  4. Iris
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP