Class XI: Computer Application Study Reference
Tue, 12/07/2011 - 8:09amClass XI: Computer Application Study Reference
WBCHSE Higher Secondary examination.
Class XI: Computer Application Study Reference
Class XI: Environmental Education Syllabus
(Full Marks—100)
1. Man and Environment,
2. Environment and Development,
3. Environmental Pollution and Global Issues,
4. Energy.
5. Biodiversity,
6. Environmental Management,
7. Sustainable Development,
8. Sustainable Agriculture.
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Problem 0001
A shell of mass m is at rest initially. It explodes into three fragments having masses in the ratio 2 : 2 : 1. The fragments having equal masses fly off along mutually perpendicular direction with speed v. What willl be the speed of the third (lighter) fragment?
Answer:

Problem 0003
If r2 = x2 + y2 + z2, then prove that
Class XI: Music Syllabus
Class XI: Nutrition Syllabus (Full Marks—100)
Theory ( Full Marks — 80 )
Practical Total Marks — 20 )
A. An Introductions to Nutrition :
(1) Basic concepts about Food nutrition and health.
(2) Role of food in the maintenance of good health.
B. Nutrients and Nutritive Processes and concepts of Calorie:
(1) Nutrients in food and food supplying them