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How can NCERT Solutions for Class 12 Physics Chapter 9 Ray Optics help students in their exam preparation?

0 11 Views | Posted 6 months ago
Asked by Shiksha User

  • 1 Answer

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    Answered by

    Ishita Chauhan | Contributor-Level 10

    6 months ago

    NCERT Solutions for Class 12 Physics Ch 9 Ray Optics consists of step-by-step explanations for all textbook questions, which maks it easier for students to comprehend difficult concepts and help develop problem-solving techniques. 

    Class 12 Physics Ch 9 Ray Optics NCERT Solutions also help students clarify basic principles to improve conceptual clarity, and help students revise properly before exams. Since competitive exams like JEE and NEET include questions related to the Class 12 Physics NCERT Topics and concepts, these NCERT solutions PDFs are an excellent resource to thoroughly prepare for the exam.

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f = 15

m = − v u = + 1 2            

  v = − u 2           

1 v + 1 u = 1 f            

2 − u + 1 u = 1 f            

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1 2 0 = ( 1 . 5 − 1 ) ( 2 R )

R = 20cm

1 f ' = ( 1 . 5 1 . 6 − 1 ) ( 2 R )            

= − 1 1 6 × 2 2 0                  

f' = – 160cm

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