Questions

Black surfaces are good emitters of heat. If the black surface is rough too, the emitting will be better. Shinning surfaces reflect black radiation . So if the black surface is also shining the effectiveness of emitting heat is lessened.

The Sphygmomanometer is the instrument that is used for measuring blood pressure.

southern region is closest to equator and thus receives sunlight for longer duration than any other part of India

UNIA - Universal Negro Improvement Association.

It is primarily in the United States, organization founded by Marcus Garvey, dedicated to racial pride, economic self-sufficiency, and the formation of an independent black nation in Africa.

The act of violating or misuse of what is regarded as sacred i.e, like the sanctity of the church is called Sacrilege.

A measuring device.

Measuring devices have feet on them to measure distance.

Mahadev Govind Ranade is known as the father of Indian Economics. M G Ranade advocated social reforms such as widow re-marriage, liberation of women & emancipation of the oppressed classes.

He was Known to be the mentor & political guru of Gopal Krishna Gokhale & Bal Gangadhar Tilak.