In 1911, Geiger and Nuttall discovered an empirical relationship between the half-life of alpha decay and the energy of the emitted alpha particles.

1. The Supreme Court of India’s Constitutional Bench for this case consisted of 5 judges.
 2. The Constitutional Bench upholds the 10% of EWS reservation with 3-2 majority.

1. According to the 2011 census, India's population was 1,210,193,422 (1.21 billion).

Explain: -For Welfare Economics and Social Choice Theory, Amartya Sen, in 1998 was awarded the Noble Prize. Welfare economics is a branch of economics that uses microeconomic techniques to evaluate well-being (welfare) at the aggregate (economy-wide) level. ... The field of welfare economics is associated with two fundamental theorems.

Expl:- Labour Intensive Technique will be chosen in Labour Surplus Economy because in such economy labour cost is low.

Explain: -The Surplus earned by a factor other than land in the short period is referred as quasi-rent.

Explain: -With increase in rate of interest there is decrease in consumption level i.e. there is inverse relation between rate of interest and consumption level.

Explain: -New Deal definition. A group of government programs and policies established under President Franklin D. Roosevelt in the 1930s; the New Deal was designed to improve conditions for persons suffering in the Great Depression.