Comapre the population of India and Indonesia if India's population is `1.3xx10^(9)` and that of Indonesia is `2.6xx10^(8)`.

A T.V. tower has a height 150m. What is the population density around the T.V. tower if the total population covered is 50 lakh? (Radius of earth =6.4xx10^(6)m)

A T.V. tower has a height 100 m . What is the population density around the T.V. tower if the population density around the T.V. tower if the total population covered is 50 lakh ? Radius of earth = 6.4 xx 10^(6) m .

In the 2001 census, the population of India was found to be 8. 7x10^7dot If the population increases at the rate of 2.5% every year, what would be the population in 2011?

Four years from now, the population of a colony of bees will reach 1.6xx10^(8) . If the population of the colony doubles every 2 years, what was the population 4 years ago?

What is the ionization constant of an acid if the hydronium ion concentration of a 0.40 M solution is 1.40xx10^(-4) M? (a) 1.96xx10^(-8) (b) 1.22xx10^(-9) (c) 4.90xx10^(-8) (d) 1.40xx10^(-6)

The population of a town increases 10% annually. If the present population is 1,54,000, what was the population of the town a year ago?

The population of India is 1,300,000,000 and that of Russia is 140,000,000 . Write the population of both the countries in standard form and compare them.

What is the uncertainty in velocity of an electron if the uncertainty in its position is 10^(-10) m ? Mass of the electron is 9.1 xx 10^(-31) kg and h = 6.6 xx 10^(-34) m^(2) s^(-1) ?

What is the uncertainty in velocity of an electron if the uncertainty in its position is 10^(-10) m ? Mass of the electron is 9.1 xx 10^(-31) kg and h = 6.6 xx 10^(-34) m^(2) s^(-1) ?

An aqueous solution contains 0.10 MH_2 S and 0.20 M HCl if the equilibrium constants for the formation of HS^(-) " from " H_2S " is " 1.0 xx 10^(-7) and " that of " S^(2-) " from " HS^(-) ions is 1.2 xx 10 ^(-13) then the concentration of S^(2-) ions in aqueous solution is 5 xx 10 ^(-8) 3 xx 10 ^(-20) 6 xx 10 ^(-21) 5 xx 10 ^(-19)