In Laws of Reflection and RefractionReflection is governed by the equation angle i = angle r 8:28 PM· Updated :7:19 AM
In Short Question How is iron loss reduced in a transformer?The core primary and secondary coils are made laminated. Due to this eddy currents reduces and hence iron loss. 8:23 PM· Updated :7:18 AM
In Bihar Board ISC Objective Question Paper 2012Objective Question Paper of BSEB 2012 1 stat-coulomb = ..........................coulomb. 3 x 10 9 3 x 10 -9 1/3 x 10 9 1… 5:16 AM· Updated :7:19 AM
In Optics Retinal FatigueQ: What is retinal fatigue? A: When white object is seen after looking a bright object for a long time it does not appear … 3:36 PM· Updated :7:18 AM
In Optics Define Brewster's LawQ: Explain Brewster's Law. A: Let us take a glass slab of refracting index "μ". When the angle between refra… 3:25 PM· Updated :7:18 AM
In Optics Power of A LensQ: What do you mean by power of a lens? A: The power of deviating of a ray of light by a lens is inversely proportional t… 2:36 PM· Updated :7:18 AM
