\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.
CBSE Class 12 Physics Ray Optics Formula list: Ray Optics is an important chapter for CBSE Class 12 students. Usually, four marker questions from the chapter are asked in the CBSE Board Examinations.
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CBSE Class 12 physics exam: Key topics for last-minute revision
With the CBSE Class 12 Physics exam scheduled for today February 20, students across the country are using the final hours to revise key formulas, important chapters and numericals. Experts say ...
The Central Board of Secondary Education (CBSE) is set to conduct the Class 12 Physics board examination on February 20.
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