c = 3 × 10⁸ m/s.
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CUET UG 2022 — Physics Optics
easy
mcq
2022
Official previous-year question
Verified 30 May 2026.
Question
The speed of light in vacuum is
Options
- A3 × 10⁶ m/s
- B3 × 10⁸ m/s
- C3 × 10¹⁰ m/s
- D3 × 10⁵ m/s
Solution
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