\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

Formulas Physics for Class 10: CBSE has released the 2025 date sheet for Class 10 and the practical viva along with pre-boards are already in the process. This is time that students start revising the ...

Shini talks to us about optical instruments and how they make magnification possible. How do lenses work? How do they form images? Well, in order to understand how optics work, we have to understand ...

As NEET UG 2026 is expected to be conducted in the first week of May 2026, the official announcement of NEET UG 2026 Exam date will be announced soon in January 2026 (expected). Candidates must be ...