Question

Complete the following :

(a) 1 light year = .......................... m

(b) 1 m = ............................. $A^{\circ }$

(c) 1 m = ...............................µ

(d) 1 micron = ................................$A^{\circ }$

(e) 1 fermi =.................................. m

Answer 1

(a) 1 light year = 9.46 × 10¹⁵ m
(b) 1 m = 10¹⁰ Å
(c) 1 m = 10⁶ µ (micron)
(d) 1 micron = 10⁴ Å
(e) 1 fermi = 10^-15 m