Question: 100% NCERT covered from Particular Keyword.Explanations are 100% from NCERT | [Difficult level: Easy] From NCERT NEET Derived Question.
Column-I Column-II
(A) Distance between earth & stars (1) micron
(B) Inter-atomic distance in a solid (2) angstrom
(C) Size of the nucleus (3) light year
(D) Wavelength of infrared laser (4) fermi
(5) kilometre
(a) (A)(1); (B)(3); C(4); (D)(2)
(b) (A)(3); (B)(2); C(4); (D)(1)
(c) (A)(5); (B)(2); C(3); (D)(1)
(d) (A)(2); (B)(4); C(1); (D)(3)
Answer:b
