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Making a simple reflecting telescope
A simple reflecting telescope can be made from a concave mirror obtained from a shaving mirror. The mirror is arranged wooden box of suitable size in such a way that it can be tilted at dissimilar angles. An upright made of wood is attached to the box so that its angle may also be varied. Two short focus lenses are fixed in corks which are then placed in a short length of mailing tube as an eye-piece. Then join this eye- piece attached to the wood upright exactly at the focal
Forebrain: The largest part of the brain that you see in Fig. is the cerebrum. It consists of two halves or hemispheres joined together by a band of nerve fibres. Intere
Objectives After studying this unit you should be able to: 1. state the principal hazards of biology lab work, 2. describe the ways to minimize these dangers, 3. ex
what are the problems
Explain Hormonal Phase of Pancreatic Secretion Hormonal phase: After food enters from the stomach to the duodenum, pancreatic secretion starts increasing. Two hormones are resp
connect 2 spring balances with their hooks. Ask partner to hold one end of the balance while hold the other end horizontally. Pull the spring balance while your partner just hold t
A field trip to study erosion Find some place in the locality where running water has complete damage by cutting gulleys. Take the class to study the erosion. Why was it caused
Explain Length-Tension Relationship The force of contraction of cardiac muscle is directly proportional to the initial length of the muscle fibers. This is known as the Starlin
The effect of rain on sloping soil Fill a shallow pan or box with firmly packed soil. Set the pan outside in the rain with one end increased slightly. Observe how the raindrops
To study the formation of a drop of liquid Gently pour aniline into a large beaker of cold water unless a layer about half an inch deep accumulates at the bottom. Place the bea
any information about animal tissue
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