As the academic year comes to an end, students across the country are eagerly waiting for their final exams and the much-awaited summer break. However, for those who were not able to clear all their subjects in the CBSE board exams, there is some news that might bring a ray of hope. The Central Board […]
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Get Ahead in Your NEET Preparation with the Latest Mock Test PDF for 2025 The National Eligibility cum Entrance Test, popularly known as NEET, is one of the most coveted medical entrance exams in India. Every year, millions of students aspire to crack this exam and secure a seat in a reputed medical college. With
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This law was formulated by RH Fowler in 1931. The Zeroth law of thermodynamics state that if two system A and B are separated in thermal equilibrium with a third system C, then A and B in thermal equilibrium with each other. If two system A and B separated by an adiabatic wall. They are
When heat is supplied to material, its dimensions(length, area, volume) can be changed due to change in its temperature.The phenomenon of change in dimensions of an object due to heat supplied is known as thermal expansion. Types Of Thermal Expansion There are three types of thermal expansion.(I) Linear Expansion(II) Area Expansion(III) Volume Expansion (I) Linear
Absolute Zero Temperature Theoretically, there is no limit for maximum temperature but there is a sharp point for minimum temperature that no body can have the temperature lower than this minimum value of temperature which is known as absolute zero temperature. Absolute Zero Temperature From p-T Graph The variation of pressure(P) with temperature(T) can be
There are three characteristics of gas which describe its behaviour. These are pressure(P), volume(V) and temperature(T). The relation among pressure, volume and temperature of a gas is given by these two laws. (1) Boyle’s Law It is given by English chemist Robert Boyle (1627-1691). According to this law at constant temperature, pressure is inversely proportional
These are the waves in which the individual particles of the medium oscillate along the direction of wave propagation. We consider a long hollow cylinder AB closed at one end and having a movable piston at the other end. If we suddenly move the piston rapidly towards right, a small layer of air just near
