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Chromium metal crystallises in a body centred cubic lattice. The length of the unit cell edge
is found to be 287 pm. Calculate the atomic radius of chromium.
Two identical cells of emf 1.5V each joined in parallel, provide supply to an external circuit consisting of two resistors of 17 Ω.Each joined in parallel. A very high resistance voltmeter reads the terminal voltage of the cells to be 1.4V. What is the internal resistance of each cell?Topic: Physics
Pieces of plant tissue used in tissue culture is calledTopic: Bio-medical
Pollen grains of a plant whose 2n = 28 are cultured to get callus by tissue culture method. What would be the number of chromosomes in the cells of the callus?Topic: Bio-medical
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