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Q. What are non-polar molecules? Give an example.
i) A non-polar molecule is one in that the centre of gravity of the positive charges coincides with the centre of gravity of the negative charges.
ii) Instance O2, N2, H2.
iii) The non-polar molecules don't have a permanent dipole moment.
P r oblem Solving Technique There are two approaches to solve a problem. They are:- 1. Top down -A top down design approach starts by identifying the major components
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Can the batteries used in the torch lights be recharged after their discharge? Give reason? Ans) No,because the NH4Cl corrods the zn containger gradually.so with out anode redox
B-Infrared (IR) Radiant Heat Heat radiation can be achieved by using infrared (IR) radiation it penetrates about 3mm in the skin. excessive exposure can cause erythema(redden
YES GRAVITY CAN BAND LIGHT e.g. GRAVITY OF BACK HOLE IS VERY STRONG
Q. Define: 1 amu One atomic mass unit is thinks as one twelfth of the mass of carbon atom 6 C 12 . 1 amu = 1.66 X 10 -27 kg. Q. Define: mass defect. The dissimi
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Suppose you sound a 1056-Hz tuning fork at the same time you strike a note on the piano and hear 2 beats/second. You tighten the piano string very slightly and now hear 3 beats/s
Which of the answers listed below best completes the statement: The rate at which any part of a wave travels from one place to another determines the waves: a) Propagati
project on logic gates
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