SSC JE Electrical Engineering 2017 Set 1 Paper

Read the pairs given below:
Size of Object or distance : Length (in m)
1. Size of a proton: 10${}^{\mathit{–}15}$
2. Length of a typical virus: 10${}^{\mathit{–}8}$
3. Distance of Sun from Earth: 10${}^5$
4. Thickness of a paper: 10${}^{\mathit{–}1}$
Which of the above pairs are correctly matched?