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Grade: 11
        
A convergent lens has a focal length of 20 cm and is made of a material of refractive index 1.1 is immersed in water. The lens will behave as a:
              1. Converging lens of f=20 cm
              2. Converging lens of f
              3. Converging lens of f>20 cm
             4. Divergent lens(Correct answer)
Pls answer in a basic manner
Thanks in advance
one year ago

Answers : (1)

Dj Rex 10
15 Points
							
The lens will act as a diverging lens. Since the refractive index of lens is lesses than that of water. So ray entering water from the lens will diverge away from the normal.
 
one year ago
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  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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