Difference between Concave vs Convex Lens: Isn’t physics one of those subjects that almost every student is scared of? Well why not, given the complexity of problems and difficulty level of the ...

Save guides, add subjects and pick up where you left off with your BBC account. The questions in this quiz are suitable for GCSE physics students studying convex and concave lenses, real and ...

A lens can be converging (convex) or diverging (concave). The centre of the lens is called the optical centre C. In a ray diagram, a converging lens is drawn as a vertical line with outward facing ...

the needle is placed 50 cm in front of the convex lens, and the power of the lens is 4 diopters. Question 3: Find the power of a concave lens of focal length 2 m Answer: Power of a lens is a ...

The fifteenth century saw the convex lens' opposite appear: the concave lens for myopia ... the end of the Renaissance, and simple physics meant that the unlikely aerial telescopes had gotten ...

Mirror is of two types; concave and convex mirror where as lens is a transparent or a piece of glass having a curved side for the dispersion of light rays. Lenses are used in all optical ...