Ray Optics » Exercise – 1
4. The focal length (t) of a spherical mirror if radius of curvature R is :(a) R/2(b) R(c) 3/2 R(d) 2 R
Explanation : No answer description available for this question. Let us discuss.
Subject Name : Physics Exam Name : JEE, NEET, IIT GATE, IIT JAM, UGC NET, UPSC, SSC, KVS, NVS Posts Name : Technical Assistant, Junior Scientist, Post Graduate Teacher, Lecturer
Related Posts Ray Optics » Exercise - 15. A concave mirror has radius of curvature of 0.2 m its focal length is : (a) -0.2 m (b) -0.1 m (c) 0.1 m (d) 0.2 m Tags: ray, optics, exercise, mirror, radius, curvature, focal, length, physics
Ray Optics » Exercise - 110. A Lens of Power of -2.5 D, Then its focal length will be : (a) 0.4 m (b) -0.4 m (c) 0.2 m (d) -0.2 m Tags: ray, optics, exercise, focal, length, physics
Ray Optics » Exercise - 111. Two thin lens of Power +5 D and -2 D are put in contact with each other. Focal length of the combination is : (a) + 3 m (b) 0.33 m (c) -3 m (d) -0.33 m Tags: ray, optics, exercise, focal, length, physics
Home » Physics » Ray Optics Tags: ray, optics, physics
Ray Optics » Exercise - 113. A plane mirror produced a magnification of : (a) -1 (b) +1 (c) Zero (d) Between 0 and ∞ Tags: ray, optics, exercise, mirror, physics
Ray Optics » Exercise - 15. A concave mirror has radius of curvature of 0.2 m its focal length is : (a) -0.2 m (b) -0.1 m (c) 0.1 m (d) 0.2 m