CBSE Class 11 Physics NCERT SolutionsChapter 10MECHANICAL PROPERTIES OF FLUIDS 1. Explain why (a) The blood pressure in humans is greater at the feet than at the brain (b) Atmospheric pressure at a height of about 6 km decreases to nearly half…Read More »
CBSE Test Paper 01 Chapter 10 Mechanical Properties of Fluids In a hydraulic lift the force applied on the smaller cylinder of area A1 is F1. If the area of the larger cylinder is A2 the maximum weight that can be lifted is 1 F1F1…Read More »
CBSE Class 11 Physics NCERT Solutions Chapter 11 THERMAL PROPERTIES OF MATTER 1. The triple points of Neon and Carbon dioxide are 24.57 K and 216.55 K respectively. Express these temperatures on the Celsius and Fahrenheit scales. Ans. Kelvin and Celsius scales are…Read More »
CBSE Class 11 PHYSICS Revision NotesCHAPTER 11THERMAL PROPERTIES OF MATTER Temperature, heat and its measurement Thermal Expansion Heat capacity and Calorimetry, Change of state Heat transfer The branch dealing with measurement of temperature is called thremometry and the devices used to measure temperature…Read More »
CBSE Test Paper 01 Chapter 11 Thermal Properties of Matter Molar Specific Heat capacity has units of 1 W/m.K J/mol.K J.ohm/sec.K2 J/kg.K A hole is drilled in a copper sheet. The diameter of the hole is 4.24 cm at 27.0oC. What is the change…Read More »
CBSE Class 11 PHYSICS Revision NotesCHAPTER 12THERMODYNAMICS Thermal equilibrium Zeroth law of thermodynamics Heat, internal energy and work First law of thermodynamics, Isothermal and adiabatic processes Second law of thermodynamics, reversible and irreversible processes Heat engines and Refrigerators Thermodynamicalsystem : An assemnbly of externely…Read More »
CBSE Class 11 Physics NCERT SolutionsChapter 12THERMODYNAMICS 1. A geyser heats water flowing at the rate of 3.0 litres per minute from 27 °C to 77 °C. If the geyser operates on a gas burner, what is the rate of consumption of…Read More »
CBSE Test Paper 01 Chapter 12 Thermodynamics Consider the cyclic process depicted in Figure If Q is negative for the process BC, and if ΔEintΔEint is negative for the process CA, what are the signs of W and ΔEintΔEint that are associated with BC? 1 0, +…Read More »
CBSE Class 11 PHYSICS Revision NotesCHAPTER 13KINETIC THEORY Molecular nature of matter and Behaviour of gases Kinetic theory of an ideal gas Law of equipartition of energy Mean free path Boyle’s Law: At constant temperature volume of given mass of gas is inversely…Read More »
CBSE Class 11 Physics NCERT SolutionsChapter 13KINETIC THEORY 1. Estimate the fraction of molecular volume to the actual volume occupied by oxygen gas at STP. Take the diameter of an oxygen molecule to be. Ans.Given that, 1. Diameter of an oxygen molecule, d= Therefore, radius…Read More »
