question_answer

Fill in the blanks with most appropriate option.

Although a number of objects, such as kites, birds, aeroplanes move in space, but their shadow is not seen on the earth. This is due to the reason that the ___(i)___, the region of complete ___(ii)___ is not able to reach the earth. The region of partial ___(iii)___, that is the ___(iv)___ reaching the earth is too large and too faint to be visible to us.

   

A)

(I)	(II)	(III)	(IV)
Penumbra	Darkness	Brightness	Umbra

               

B)

(I)	(II)	(III)	(IV)
Penumbra	Brightness	Darkness	Umbra

               

C)

(I)	(II)	(III)	(IV)
Umbra	Darkness	Brightness	Penumbra

               

D)

(I)	(II)	(III)	(IV)
Umbra	Brightness	Darkness	Penumbra