Questions

The photoelectric effect pointed to the particle properties of light, which had been considered to be a wave phenomenon. Particles like electron and protons have both particle like and wave like behavior. Thus, according to de Broglie, all the material particles in motion possess wave characteristics. Although the dual nature of matter is applicable to all material objects but it is significant for microscopic bodies only.

The glycemic index or glycaemic index is a number associated with the carbohydrates in a particular type of food that indicates the effect of these carbohydrates on a person's blood glucose (also called blood sugar) level. A value of 100 represents the standard, an equivalent amount of pure glucose.

The GI represents the rise in a person's blood sugar level two hours after consumption of the food.

Because of the Doctrine of Lapse; if Hindu rulers did not have direct natural heirs, the British would impose their rule.

The unit which is used to measure weighted average atomic mass is Atomic Mass Unit (amu).

The amu or gram/mole can also be used for this measure.

A Union territory is a type of administrative division in India. Unlike the other states which have their own state governments, union territories are ruled by the central government. There are 7 union territories in India. They are ::

• National Capital Territory of Delhi – Delhi.

• Chandigarh – Chandigarh.

• Daman and Diu – Daman.

• Dadra and Nagar Haveli – Silvassa.

• Pondicherry – Puducherry.

• Andaman and Nicobar Islands – Port Blair.

• Lakshadweep – Kavaratti.

A tenant farmer is one who resides on land owned by a landlord. These farmers would have to share the yield with the landowner in a process known as sharecropping. In the South, these farmers need to have their own tools and animals.