(a) Because the focal length is the reciprocal of power. 29. (b) Because the total power is P1 + P2. 30. (b) Because the power of ... J. is used. v u 34. (a) Traditionally the reflecting surface of mirror is kept towards left. 35. (b) On the basis of sign convention the magnification of spherical mirror is negative. 36. ... (b ) The rays intersect at infinity to form real image. ... MANUAL. Q. 1. How will you distinguish between a concave and a convex mirror? Ans. Concave mirror has polished (silvered)anbsp;...
|Title||:||Comprehensive Practical Science X|
|Author||:||S. P. Saxena, Dheeraj Saxena|
|Publisher||:||Laxmi Publications - 2011-12-01|