Why does a ball bounce ?
Answer / guest
Because it is elastic. When is pressed out of its space, it
tends to return to its original shape.
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How BIS Decedied the LSF value 0.66-1.02 with calculation.
why all the concentration of chemical species are measured using water as solvent (for examole 1N NaOH means 40 g of NaOH in one litre of water)eventhough there are so many solvents available?
A balloon constructed in Calcutta during July-August was found to show cracks at most wooden joints when received at Ferozepore in December. What is the probable cause ?
Why does a dog hang out his tongue, when it is hot ?
Why is air removed from the electric lamps ?
What is the difference between caustic soda and washing soda ?
How is measurement of ph made?
What is an indicator electrode?
What s the difference between hard and soft coal ?
Which gas is used in hospitals for the artificial respiration ?
Difference between Physical and Chemical change ?
How is hardness of water caused?