Home » Physics » An object is placed 30 cm in front of a concave mirror of focal length…An object is placed 30 cm in front of a concave mirror of focal length… An object is placed 30 cm in front of a concave mirror of focal length 20cm. Calculate the distance between the object and the image. A. 90cm B. 40cm C. 30cm D. 20cm E. 10cm Correct Answer: Option A Explanation Related Posts (i) What is a machine? (ii) State two uses of gears. (iii) Define the… A body which weighs 50N in air displaces 3.7kg of water when partially immersed in… An organic pipe closed at one end is 80cm long. Determine the frequency of the… The r.m.s value of a supply voltage is quoted at 200v. What is the approximate… The thermopile is a device for detecting The density of a solid is defined as the
