Question

एंगस्ट्रम क्या मापता है ?

(A) तरंगदैर्ध्य

(B) आवर्तकाल

(C) आवृत्ति

(D) समय

Answer 1

एंगस्ट्रम is used to measure तरंगदैर्ध्य (Wavelength).

So, option A is correct.

It is mainly used to measure sizes of atoms and molecules mainly in physics, chemistry and biology.

1 Angstrom = 1e - 10 metre