1. What is the discovery of C.V.Raman?
2. What are the fundamental forces in nature?
3. Which of the following has symmetry?
4. a)Acceleration due to gravity. b)Law of gravitation
6. What is the contribution of S. Chandra Sekhar to Physics?
7. Distinguish between accuracy and precision .
8. How can systematic errors be minimized or eliminated?
9. Distinguish between fundamental units and derived unit .
10. What is dimensional analysis?
11. The states of motion and rest are relative. Explain.
12. How is average velocity...
Sunday, 11 January 2015
Wednesday, 30 July 2014
CELL ORGANELLES - NOTES
in: 10th 9th Science
CELL ORGANELLES - NOTES
CELL THEORY
Cells are the basic unit of life.
The Cell Theory states that:
1) All organisms are made up of one or more cells and the products of those cells.
2) All cells carry out life activities ( require energy, grow, have a limited size).
3) New cells arise only from other living cells by the process of cell division.
THE THREE MAIN COMPONENTS OF ANY PLANT OR ANIMAL...
THE PHOTOSYNTHETIC PROCESS
in: 10th 9th Science
THE PHOTOSYNTHETIC PROCESS
1. INTRODUCTION
Photosynthesis is the physico-chemical process by which plants, algae and photosynthetic bacteria use light energy to drive the synthesis of organic compounds. In plants, algae and certain types of bacteria, the photosynthetic process results in the release of molecular oxygen and the removal of carbon dioxide from the atmosphere that is used to synthesize carbohydrates (oxygenic photosynthesis)....
Tuesday, 29 July 2014
Top 10 Greatest Freedom Fighters of India
Top 10 Greatest Freedom Fighters of India
The Indian War of Independence from the British Colonial Powers lasted for numerous decades and finally after a long struggle freedom was achieved. It was a war that abolished British supremacy in the world. Hundreds and thousands of men, women and children fought for it till their last breath and some like Shaheed Bhagat Singh even in their death. I might not be able to pay my respects to all of those great souls. But that doesn’t mean that their contribution wasn’t worthwhile. The...