Web25 mrt. 2024 · The mirror formula shows the relationship between the object distance, image distance, and the focal length of the spherical mirror. Hence, the formula is given … Web10 aug. 2024 · Answer 15 cm, m=-1.5, real & inverted Q.6. Calculate the focal length of a convex lens, which produces a virtual image at a distance of 50 cm of an object placed 20 cm in front of it. Answer f=100/3=33.34 cm Q.7. An object is placed at a distance of 100 cm from a converging lens of focal length 40 cm. What is the nature and position of the image?
Concave and convex mirrors (practice) Khan Academy
WebSolve Problems for Mirror and Magnification Formula -I 3 mins read Important Questions An object of size 7 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm. At what distance from the mirror should a screen be placed, so that a sharp focused image can be obtained ? Find the size and the nature of the image. Medium Web7 apr. 2024 · 1/u + 1/v = 1/f Magnification (m) It is defined as ratio of size of image (h’) to size of object (h). m = h’ / h m = -v / u Sign convention for reflection by Spherical Mirror … steak houses in appleton wi
Mirror formula (video) Khan Academy
WebThe distance of the object from the mirror is (n-1)f (n-1/n) f (n+1/n) f (n+1) f; Answer: (a) (n-1)f. Q2: Consider a concave mirror of focal length 50 cm. Where should the object be … Webusing the equation of the mirror formula 1 f=1 v+1 u 1 f = 1 v + 1 u we have, 1 15=1 v+1 −12 1 15 = 1 v + 1 − 12 1 15+1 12=1 v 1 15 + 1 12 = 1 v By solving we get v= +6.6 cm. Now, magnification m=h2 h1=−v u m = h 2 h 1 = − v u Thus, h2=−v u×h1=−6.6 −12×4.5=+2.5cm h 2 = − v u × h 1 = − 6.6 − 12 × 4.5 = + 2.5 c m Hence, magnification of image, Web15 mrt. 2024 · Free-space optical (FSO) communication possesses the advantages of high security, large information capacity, high-speed transmission, small terminal size, low power consumption, easy and flexible deployment, etc. It is a promising communication technique, and could be an alternative to optical fiber communication and traditional radio frequency … steak houses in arizona