The formula giving the relation between the focal length (f) of the lens, the refractive index of the material of the lens (n) and the radii of curvature of its surface (R1 & R2) is known as Lens maker formula. The manufacturers of the lenses use this relation to design the lens of a given …
Wave Optics class 12 Physics notes INTRODUCTION TO WAVE OPTICS A Dutch physicist named Huygens (1629 – 1695), suggested that light may have a wave nature. The apparent rectilinear propagation of light explained by Newton may be just due to the fact that the wavelength of light may be much smaller than the dimensions of …
Motion in a straight line class 11 notes Motion A body is said to be in motion when it changes its position with respect to the observer while it is said to be at rest when there is no change in its position with respect to the observer. For instance, two passengers travelling in a …
This article is on the Units and Measurements Class 11 Notes of Physics. The notes on Units and Measurements of class 11 physics have been prepared with great care keeping in mind the effectiveness of it for the students. This article provides the revision notes of the Units and Measurements chapter of Class 11 for …
