The unit of power of a lens is —

এই অধ্যায়ের আরও প্রশ্ন

• C-05-Q049If the focal length of a convex lens is 2 meters, its power is —
• C-05-Q050The power of a convex lens is —
• C-05-Q051The power of a lens being means it is a convex lens that converges a parallel beam at a distance of —
• C-05-Q052If the power of a lens is , the lens is —
• C-05-Q053Which of the following is NOT a component of the eye?
• C-05-Q054The eye acts as which type of lens?
• C-05-Q055The image formed by a convex (converging) lens of the eye on the retina is —
• C-05-Q056The image of an object is formed on which part of the eye?
• C-05-Q057Which cells in the retina convert incident light into electrical signals?
• C-05-Q058Electrical signals from the retina are transmitted to the brain through —