The force between atoms of the molecule is called interatomic force.
E.g.The nucleus and electron cloud of a molecule is binded by electrostatic force.
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Anvils made of single crystals of diamond, with the shape as shown in Fig. 9.14, are used to investigate behaviour of materials under very high pressures. Flat faces at the narrow end of the anvil have a diameter of 0.50 mm, and the wide ends are subjected to a compressional force of 50,000 N. What is the pressure at the tip of the anvil?
Diameter of the cones at the narrow ends, d = 0.50 mm = 0.5 × 10–3 m
Radius, r = d/2 = 0.25 × 10-3 m
Compressional force, F = 50000 N\
Pressure at the tip of the anvil is given by,
Therefore, the pressure at the tip of the anvil is 2.55 × 1011Pa.
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How much should the pressure on a litre of water be changed to compress it by 0.10%?
Volume of water, V = 1 L
It is given that water is to be compressed by 0.10%.