(i) What is the relation between the refractive index of water with respect to air (_aµ_w) and the refractive index of air with respect to water (_wµ_a).

(ii) If the refractive index of water with...

With reference to the Rise of Dictatorships and the Second World War, answer the following: State any three reasons for the Rise of Fascism in Italy

The two main metals in Bronze are:

1. Copper and zinc
2. Copper and lead
3. Copper and nickel
4. Copper and tin

Give the full form of UNESCO.

Action of Sodium hydroxide solution on ferrous sulphate solution.

India has a single integrated judicial system that is Independent and Supreme. With reference to the Judiciary, answer the following: State any two qualifications required for a person to be...

The electronics industry is proving to be an asset for our country in the field of education.

Mention two reasons why more people use railways rather than airways

The element with highest ionization potential is:

1. Hydrogen
2. Caesium
3. Radon
4. Helium

Name the following organic compounds:

1. The compound with 3 carbon atoms whose functional group is a carboxyl
2. The first homologue whose general formula is C_nH_2n
3. The compound that reacts with acetic
...

Give the names of two leaders who led the Home Rule Movement in India.

The compound that does not have a lone pair of electrons is _______ . (water, ammonia, carbon tetra chloride)

A crane ‘A’ lifts a heavy load in 5 seconds, whereas another crane ‘B’ does the same work in 2 seconds. Compare the power of crane ‘A’ to that of crane ‘B’.

Briefly explain the immediate cause of the Great Revolt.

1. How is the e.m.f. across primary and secondary coils of a transformer related with the number of turns of coil in them?
2. On which type of current do transformers work?

Give a geographical reason: Cotton is a labour-intensive crop.