Tip #1 From the NCERT book, practice each and every worked-out example, graph and diagram, especially- a) Ray diagram for Astronomical Telescope, Compound Microscope and Reflecting Telescope. b) Diagrams...
We can reduce the corona viral infections by following simple measures or steps. Clean your hands frequently with water, soap and sanitizer (alcohol-based hand rub). This action kills the microorganisms...
Dot or Scalar Product of Vectors Dot Product of two vectors A and B is defines as product of magnitude of the vectors and cosine of the angle between them. A•B = |A||B|CosT, Where T is the angle...