Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar?
Two Faraday of electricity is passed through a solution of CuSO4. The mass of copper deposited at the cathode is : (at. mass of Cu = 63.5 amu)
This question has statement I and statement II. Of the four choices given after the statements, choose the one that best describes the two statements.
Statement- I: Higher the range, greater is the resistance of ammeter.
Statement- II: To increase the range of ammeter, additional shunt needs to be used across it.
The set of all values of λfor which the system of linear equations : 2x1−2x2+x3=λx12x1−3x2+2x3=λx2−x1+2x2=λx3has a non-trivial solution,
As an electron makes a transition from an excited state to the ground state of a hydrogen - like atom/ion :