Question

The nature and the size of the image formed when the object is kept between the principal focus ‘F1 ’ and optical centre ‘O’ of a convex lens is

A. virtual, erect and enlarged
B. real, inverted and small size
C. virtual, inverted and small size
D. real, inverted and enlarged​

Answer 1

Answer:

5th century

English has developed over the course of more than 1,400 years. The earliest forms of English, a group of West Germanic (Ingvaeonic) dialects brought to Great Britain by Anglo-Saxon settlers in the 5th century, are collectively called OldEnglish.

Answer 2

Answer:

Air is the invisible mixture of gases that surrounds the Earth. Air contains important substances, such as oxygen and nitrogen, that most species need to survive. ... Standard Dry Air is made up of nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon.