Match List-I with List-II and select the correct answer:
| List-I (Quantity) | List-II (Units) |
| a. High speed | 1. Mach |
| b. Wavelength | 2. Angstrom |
| c. Pressure | 3. Pascal |
| d. Energy | 4. Joule |
A. a-2, b-1, c-3, d-4
B. a-1, b-2, c-4, d-3
C. a-1, b-2, c-3, d-4
D. a-2, b-1, c-4, d-3
Answer: Option C

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