Assertion (A): Eye lens has the ability to focus  clearly on the retina by adjusting its focal length.  

Reason (R): This phenomenon is known as the power of accommodation.  

Answer

 

Power of accommodation is the ability of the eye lens to focus clearly on the retina by adjusting its focal length.

power-of-accomodation---of-near-and-far-objects---teachoo.jpg

 

Thus,

  • Assertion is True
  • Reason is True
  • And reasoning is the correct explanation for assertion.

 

So, the correct answer is (a)

  1. Class 10
  2. Chapter 11 Class 10 - Human Eye and Colourful World (Term 1)
Class 10
Chapter 11 Class 10 - Human Eye and Colourful World (Term 1)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo