Question

write down the word and its tow meanings ?
1} ghastly =
2} causing fear =
3} very bad =
4}find the word meaning a part of the school year =
5} find the word that examination =

Answer 1

Answer:

The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power. A positive focal length indicates that a system converges light, while a negative focal length indicates that the system diverges light.

Answer 2

Answer:

write down the word and its tow meanings ?

1} ghastly = causing great horror or fear.

2} causing fear = fearful apparition.

3} very bad = not to good

4}find the word meaning a part of the school year = semester