Question : The law of octaves asserts that every eighth element has comparable properties when grouped in increasing order of their atomic masses and is also known as:

Option 1: Gravity relation

Option 2: Doppler relation

Option 3: Coulomb's relation

Option 4: Newland's relation

Question : In which year did John Alexander Newlands propound a new concept of the 'Law of Octaves' proposing the periodicity of chemical elements arranged in order of atomic weight?

Option 1: 1860

Option 2: 1865

Option 3: 1873

Option 4: 1870

Question : Which of the following laws states that "The magnitude of the induced Electromotive force (EMF) in a circuit is equal to the time rate of change of magnetic flux through the circuit"?

Option 1: Faraday's law

Option 2: Coulomb's law

Option 3: Kirchhoff's law

Option 4: Laplace's law

Question : ____________ states that the rates of diffusion of gases are inversely proportional to the square roots of their densities under similar conditions of temperature and pressure.

Option 1: Tyndall's Law

Option 2: Pascal's Law

Option 3: Graham's Law

Option 4: Kepler's Law

Question : Directions: Ashok's brother's sister is the wife of Ram's son Rahul. How is Ashok related to Rahul's daughter?

Option 1: Son

Option 2: Brother

Option 3: Mother's brother

Option 4: Father's brother

Question : P's income is 250 percent of Q's income and P's expenditure is 180 percent of Q's expenditure. If P's income is 400 percent of Q's expenditure, then what is the respective ratio of P's savings and Q's savings?

Option 1: 11 : 5

Option 2: 5 : 2

Option 3: 11 : 3

Option 4: 8 : 3