1) Metre is the unit of 2) 1 parsec is equal to 3) Symbols placed before the symbol of a unit to specify the order of magnitude of the quantity 4) We can measure the diameter of a thin wire by 5) The shell of an egg is ___ of its mass 6) Calculate the correct reading ,if main scale reading is 8 cm,vernier coincidence is 4 and positive zero error is 0.05cm? 7) Pitch of a screw guage is equal to 8) Least count of vernier calliper is

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