The change in focal length of an eye lens to focus the image of objects at varying distances is done by the action of the

  • A
    pupil
  • B
    retina
  • C
    blind spot
  • D
    ciliary muscles

Explore More

Similar Questions

What is dispersion of light? Name the $(i)$ component of white light that deviates the least,$(ii)$ component of white light that deviates the most,while passing through a glass prism.

For which of the following cases is total internal reflection of light possible?

What is meant by the least distance of distinct vision?

What is the iris?

Which of the following is not a secondary color?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo