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Making a jam jar aquarium
If a large glass tank is not available, practically any glass vessel can be used as a easy aquarium if it is well stocked with submerged water plants like as Elodea or Myriophyllum, to aerate the water. A 1 kg jam jar is fairly suitable for keeping caddis larvae, pond snails, small crustacean and plants like as Elodea and Lemna minor, and will keep in properly balanced condition for months if carefully stocked. It is as bad to under stock as it is to overstock.
A simple rotation machine Secure a breast-drill or hand- drill like as the one shown in the diagram. Clamp a small screw eye or cup hook in the chuck of the drill. Join a 30 cm
a) Spin motion of electrons b) On the basis of spin and orbital motion of electrons c) These are feebly attracted in an external magnetic field i.e., have a tendency to go fr
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does lights of different wavelengths help us to see different colour
An object with a mass of 5 kilograms is a distance of 5 meters above the surface of the earth. If the acceleration because of gravity is 10 meters per second squared, the pote
How to determine the co efficient of viscosity of liquid by capillary flow method?
Hard Ferromagnetic Substances: Those substances that do not lose their magnetism or removing from magnetic field are known as hard magnetic substance such as steel.
State and illustrate Lenz's law with examples Derive a mathematical expression for a force between two parallel conductors carrying a current.
insyrumentation
The intermolecular forces (F) of attraction can be described as given: 1) Cohesion. The force of attraction among molecules of the same substance is known as the force of cohe
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