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
Correct Answer: 1865
Solution : The correct option is 1865.
John Alexander Newlands proposed the "Law of Octaves" in 1865. According to the Law of Octaves, chemical elements display comparable properties after every eighth element when grouped in increasing atomic weight order.
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Question : The law of demand is based on:
Option 1: Manufacturer's preference
Option 2: Seller's preference
Option 3: Supplier's preference
Option 4: Consumer's preference
Question : Which law was developed in the 1600s to describe that any force applied to a confined fluid is transmitted equally in all directions, regardless of the shape of the container?
Option 1: Magnus's law
Option 2: Graham's law
Option 3: Pascal's law
Option 4: Torricelli's law
Question : Which law states that with constant taste and preference, the proportion of income spent on food stuff diminishes as income increases?
Option 1: Say's Law
Option 2: Griffin's Law
Option 3: Gresham's Law
Option 4: Engel's Law
Question : The potential difference V across the ends of a given metallic wire in an electric circuit is directly proportional to the current flowing through it, provided its temperature remains the same. This is called ___________ law.
Option 1: Pascal's
Option 2: Charles's
Option 3: Ohm's
Option 4: Boyle's
Question : In which year did Rudrankksh Patil win gold in the men's 10 m air rifle event in the ISSF World Cup?
Option 1: 2022
Option 2: 2020
Option 3: 2023
Option 4: 2021
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