Question : Which of the following scientists provided the Law of Octaves?
Option 1: Galileo Galilei
Option 2: John Newlands
Option 3: Michael Faraday
Option 4: Marie Curie
Correct Answer: John Newlands
Solution : The correct answer is John Newlands.
John Newlands arranged the elements in increasing order of their atomic mass. He provided the law of octaves, which states that the properties of every 8th element are similar to those of the first element. The law of octaves was given in 1865.
Application | Eligibility | Selection Process | Result | Cutoff | Admit Card | Preparation Tips
Question : Who gave the 'Law of Gravitation'?
Option 1: Michael Faraday
Option 2: Guglielmo Marconi
Option 3: James Watt
Option 4: Isaac Newton
Question : According to a law postulated by ______, the amounts of different substances liberated by the same quantity of electricity passing through the electrolytic solution are proportional to their chemical equivalent weights.
Option 1: John Dalton
Option 2: Joseph Fourier
Option 4: Alfred Nobel
Question : Whose law states that at a junction in an electric circuit, the sum of the currents flowing into the junction is equal to the sum of the currents flowing out of the junction?
Option 2: Georg Simon Ohm
Option 3: Victor Francis Hess
Option 4: Gustav Robert Kirchhoff
Question : The first law of thermodynamics is related to the conservation of which one of the following?
Option 1: Energy
Option 2: Number of molecules
Option 3: Number of moles
Option 4: Temperature
Question : The first law of thermodynamics is simply the case of:
Option 1: Charle's law
Option 2: Newton's law
Option 3: The law of heat exchange
Option 4: The law of conservation of energy
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile