cbsenotes • 2012-11-12
Science & Technology Objective Test (Haryana Board) NTSE Science Quiz-17 Q1: The speed of light in vacuum is (a) 3 ×108 m/s (b) 3 ×1010 m/s (c) 3 ×105 m/s (d) Zero Q2: The angle of inc
cbsenotes • 2012-10-29
NTSE SAT Quiz-15 (Biology) Biology Quiz Q1: Which of the following is a Gram positive bacteria? (a) Cyanobacteria (b) Eschericilia (c) pseudomonas (d) Preumococus Q2: Cell wall in cork is imp
cbsenotes • 2012-10-26
All about Names of the Chemical Elements 1. There are 115 chemical elements known today to the world. Only 90 are found in nature and the rest are artificially created. 2. A good number of elem
cbsenotes • 2012-08-18
Nicolaus Copernicus - His theory was one the trigger point for scientific revolution. (credits:wikipedia) Gravitation (Worksheet-1) Fill in the Blanks 1. Geocentric model i.e. the Eart
cbsenotes • 2012-08-01
Isaac Newton Force and Laws of Motion Worksheet Fill in the blanks 1. The study of motion of a body under the action of a force is called ______. 2. (Impulse/Force/Pressure) ______ is a push