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Four nuclei of an element undergo fusion to form a heavier nucleus, with release of energy. Which of the two – the parent or the daughter nucleus – would have higher binding energy per nucleon?
The daughter nucleus would have a higher binding energy per nucleon. Fusion typically results in a more stable, heavier nucleus, where nucleons are more tightly bound, releasing energy. This is because the binding energy increases with atomic mass. For more visit here: https://www.tiwariacademy.com/Read more
The daughter nucleus would have a higher binding energy per nucleon. Fusion typically results in a more stable, heavier nucleus, where nucleons are more tightly bound, releasing energy. This is because the binding energy increases with atomic mass.
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Define the terms specific heat and molar specific heat. Give their CGS and SI units.
Specific heat is the quantity of heat necessary to raise the temperature of 1 unit mass of a substance by 1°C or 1 K. Molar specific heat is the quantity of heat necessary to raise the temperature of 1 mole of a substance by 1°C or 1 K. CGS units: - Specific heat: cal/g°C - Molar specific heat: cal/Read more
Specific heat is the quantity of heat necessary to raise the temperature of 1 unit mass of a substance by 1°C or 1 K.
Molar specific heat is the quantity of heat necessary to raise the temperature of 1 mole of a substance by 1°C or 1 K.
CGS units:
– Specific heat: cal/g°C
– Molar specific heat: cal/mol°C
SI units:
– Specific heat: J/kg·K
– Molar specific heat: J/mol·K
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What do you mean by coefficients of apparent and real expansion of a liquid ? How are they related?
The coefficient of apparent expansion of a liquid is the increase in volume per unit volume of the liquid when heated, as measured by a container. It takes into account both the expansion of the liquid and the container. The coefficient of real expansion of a liquid is the actual increase in volumeRead more
The coefficient of apparent expansion of a liquid is the increase in volume per unit volume of the liquid when heated, as measured by a container. It takes into account both the expansion of the liquid and the container.
The coefficient of real expansion of a liquid is the actual increase in volume per unit volume of the liquid, ignoring the effects of the container.
The relation between the two is given as:
Real expansion = Apparent expansion + Coefficient of linear expansion of the container × Coefficient of volume expansion of the container
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Explain the concept of heat.
Heat is a form of energy transferred from one body to another due to a temperature difference between them. It always flows from the body with higher temperature to the body with lower temperature. Heat causes a change in temperature, phase, or state of a substance. The amount of heat transferred deRead more
Heat is a form of energy transferred from one body to another due to a temperature difference between them. It always flows from the body with higher temperature to the body with lower temperature. Heat causes a change in temperature, phase, or state of a substance.
The amount of heat transferred depends on the mass of the substance, its specific heat capacity, or its ability to store heat, and the temperature change. Heat is measured in joules (J) in the SI system. Other units like calories are also used, where 1 calorie equals 4.18 joules.
Three main processes are through which heat transfer occurs: conduction – direct contact, convection – fluid movement, and radiation – energy transfer through electromagnetic waves. It is used in many natural phenomena and technological processes, including cooking, weather conditions, and heating industrial installations.
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A wire fixed at the upper end stretches by length l by applying a force F. The work done in stretching is
Work done in the stretching of a wire is described by the relation, W = (1/2) F * l Where, - Force applied is represented by F. - Elongation is depicted by l Thus, the work done will be Fl/2.
Work done in the stretching of a wire is described by the relation,
See lessW = (1/2) F * l
Where,
– Force applied is represented by F.
– Elongation is depicted by l
Thus, the work done will be Fl/2.