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How many significant digits are there in each of the following measurements?
a. 100 m
1
b. 0.0023 m/s
2
c. 100.1 m
4
d. 2.0023
5
With the aid of a diagram, explain why the use of long narrow crystals is not optimal for spatial resolution as you move away from the centre of the field-of-view. Is the degradati
Uniform motion When a body falls by a fluid, the pull of gravity is soon balanced by the frictional forces set up, and it continues to move at a constant velocity. If this is t
Manganin is an alloy of (A) Copper, manganese and nickel. (B) Copper and manganese. (C) Manganese and nickel. (D) Manganese, aluminium and nickel. Ans:
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A cubical block of wood weighing 200g has a lead piece fastened underneath. Find the mass of the lead piece which will just allow the block to float in water. Exact gravity of wood
what is the physical significance of damping coefficient?
Why do magnetic field lines contract longitudinally and exert a lateral pressure?
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De?ne Pilling-Bed Worth rule. Write about the applications of carbon nanotubes and nanowires.
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