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Floating a needle on water
Thoroughly dry a steel needle. Place it on the tines of a dinner fork and gently smash the surface of the water in a dish with the fork. If you are careful the needle will float as you take the fork away. Look at the water surface closely. Can you see how the surface film seems to curve under the weight of the needle ?
Explain the Vasomotor center - Feature of Medulla The vasomotor center is found in medulla. It controls diameter of the blood vessels especially the ones which have smooth musc
Cis-isomer : Both hydrogen atoms located on the same side of the double bond.
What protist changes shape constantly and flows around it''s food to engulf it
Mechanical parameters Soil is a heterogeneous mixture of organic matter, salts, metal oxides, water and air with silicates as dominant constituents of varying size and composit
Factors decide the broad area of scientific activity
Describe Biosynthesis of Nonessential Amino Acids ? This label 'nonessential' may mislead some people into believing that we don't need it. But, in essence, "non essential" as
Define Oxytocin Hormone - Posterior Pituitary Oxytocin is a polypeptide containing 9 amino acids. An 'oxytoxic' agent is a substance that causes the gravid uterus (uterus of a
A simple balance Suspend a ruler by loops of cord a short distance above a table top, as shown in the diagram. When the ruler is in balance, place identical coins in dissimilar
describe history of science
Define the Nature of Sound This section is a recapitulation of what you have learnt in school. You would recall that sound waves consist of the longitudinal waves of alternate
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