Question

tell me two differences between umbar and pnembar​

Answer 1

Answer:

Umbra is the dark part while penumbra is the lighter part. ''Umbra'' is similarly defined as shade while penumbra means partial shade. (iii) The penumbra is situated at the perimeters while the umbra is at the center, directly behind the object. Correspondingly penumbra is synonyms with marginal

Answer 2

Answer:

(i)Umbra is the dark part while penumbra is the lighter part. ''Umbra'' is similarly defined as shade while penumbra means partial shade. (ii) The penumbra is situated at the perimeters while the umbra is at the center, directly behind the object. Correspondingly penumbra is synonyms with marginal.