WebFocal length of convex lens, f = 5 cm. Position of image, v = 2 5 c m. Position of object, u =? Apply lens formula. f 1 = v 1 − u 1 5 1 = 2 5 1 − u 1 u = 4 2 5 c m. Magnifying power of instrument: M = 1 + f D M = 1 + 5 2 5 = 6. Hence, object distance is 4 2 5 c m and magnifying power is 6 Web8 apr. 2024 · The magnifying power equation used for a simple microscope is given by the following equation: M = 1 + \[ \frac{D}{F} \] Where, D- The shortest distance of the distinct vision . F - The focal length of the convex lens. From the magnification formula of a simple microscope, we can say that the shorter the focal length of the lens used, the ...
Lens Formula and Magnification - GeeksforGeeks
WebConvex lens use – Magnifying glass. A magnifying glass is really a convex lens mounted in a frame with a handle. It's used to enlarge items such as writing so it can be read more … WebSimple magnifier lenses are bi-convex, meaning they are thicker at the center than at the periphery as illustrated with the magnifier in Figure 1. ... The factor that determines the amount of image magnification is the … proverbs 15 amplified bible
Refracting Telescopes Las Cumbres Observatory
Web11 jul. 2024 · Light Reflection and Refraction Class 10 MCQ With Answers Pdf Question 1. An object is placed at a distance of 0.25 m. in front of a plane mirror. The distance between the object and image will be. MCQ On Light Class 10 Question 2. The angle of incidence for a ray of light having zero reflection angle is. WebThus, we define the power of the lens as the reciprocal of the focal length of the lens used. It is given as, 1/f Where f is the focal length of the lens used. SI unit of power is Dioptre … Web11 apr. 2024 · The Dioptre formula is used to calculate the optical power of a lens or curved mirror. The dioptre is the unit for a measure of the refractive index of a lens. The power … proverbs 15 commentary \u0026 meaning