If the power of a lens is - 4.0 d
WebSolution If the power of a lens is -4.0 D, then it means that the lens is a concave lens of focal length -25cm. Explanation:- P = -4 D P = 100 f ( c m) f ( c m) = 100 P cm 100 - 4 = - 25 cm Negative focal length means concave lens. Concave lens of focal length -25cm. Concept: Concave Lens Report Error Is there an error in this question or solution? Web21 jun. 2024 · Explanation: It is given that, Power of the lens is -4 D. We know that the power of a lens is defined as the reciprocal of focal length. Focal length, f = -0.25 cm We know that the focal length of the concave lens is negative. So, the nature of this lens is concave. Learn more, Types of mirrors brainly.in/question/7036887
If the power of a lens is - 4.0 d
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Web3 apr. 2024 · The power of a lens is –4.0 D. What is the nature of this lens? light – reflection and refraction cbse class-10 1 Answer +1 vote answered Apr 3, 2024 by … Web29 mrt. 2024 · If the power of a lens is - 4.0 D, then it means that the lens is a (A) concave lens of focal length -50 m (B) convex lens of focal length +50 cm (C) concave lens of focal length -25 cm (D) convex lens of focal length -25 m Answer - So, the correct answer is …
WebIn order to understand optical specifications, it is important to first review what they mean. To simplify the ever-growing number, consider the most common manufacturing, surface, and material specifications for lenses, mirrors, and windows. Filters, polarizers, prisms, beamsplitters, gratings, and fiber optics also share many of these optical ... Web23 okt. 2024 · Given: Power of lens in -4.0 D To find: Type of lens and its focal length Explanation: Power of lens (P)= -4 D Let focal length be denoted as f. The relation between power of lens and its focal length is: f (in m)= 1/P = 1/-4 = -0.25 m Converting -0.25 m into cm, we get the focal length as -25 cm since 1 m = 100 cm
Web2 mrt. 2024 · Now we can easily find the object distance by applying the lens maker formula. Complete step by step answer: Given the power of a convex lens, P = + 4 D. As we all know, power is inversely proportional to the focal length of the given lens: Power = 1 Focal length We can also write the upper formula in terms of focal length as: WebSolution Verified by Toppr Given, lens of power P=(−2.0)D Power, P= f1 f= p1 = −21 f=−0.5 m Since focal length is negative, it is concave lens. Video Explanation Was this answer helpful? 0 0 Find All solutions for this book Science NCERT Page 186 Similar questions On reducing the focal length of a lens, its power: Easy View solution >
Web4 sep. 2024 · If the power of a lens is - 4.0 D, then it means that the lens is a * 1 point A. concave lens of focal length -50 m B. convex lens of focal length +50 cm C. concave …
WebQuestions and Answers for [Solved] The power of a lens is 4.0 diopters and its diameter is 5.0 cm.What is the focal length of this lens? A)25 cm B)55 cm C)10 cm D)0.25 cm E)2.5 cm. Study Any Topic, Anywhere! The biggest database of online academic Questions & Answers is in your hands! tarta smakerWeb3 nov. 2024 · Between the Sony 12-24 F4 and Sigma 14-24 F2.8 DN DG, i like the Sigma much much better, but of course you are losing 2mm in the wide end which can be a huge deal. but optically speaking, i consider the Sigma a pretty good step up. not only you get a edge to edge sharp lens, you have a F2.8 rather than F4, that's another advantage if you … 高校 インターハイ バスケ 2022Web25 apr. 2014 · Let us say the lens prescribed has power equal to + 4.0 D. This means the lens prescribed is convex. The focal length of the lens is + 0.25 m. A lens of power – 0.5 D has a focal length of – 2 m. The lens is concave. Many optical instruments consist of a number of lenses. They are combined to increase the magnification and sharpness of … tartas perrunasWeb12 sep. 2024 · If the power of a lens is - 4.0 D, then it means that the lens is a A. concave lens of focal length -50 m ... Dear Student Given that P = - 4.0 D Focal length f = 1/P = -1/4 = - 0.25 m = - 25 cm As focal length is negative so it is concave lens. Regards. 0 ; View Full Answer C. A concave lens of F= -25 cm. 0 ; About Us; 高校 インターハイ 水泳Web21 jun. 2024 · Explanation: It is given that, Power of the lens is -4 D. We know that the power of a lens is defined as the reciprocal of focal length. Focal length, f = -0.25 cm … 高校 インターハイ バスケ 出場校Web1 dec. 2024 · Click here 👆 to get an answer to your question ️ if the power of the lens is -4.0 d . then it means the lens is. abhishekchauras7976 abhishekchauras7976 02.12.2024 … tarta spanaki高校 ウインターカップ 2021