JEE Main 2026 Physics question
Match List-I with List-II. List-I: A. Meter (L), B. Second (S), C. Kilogram (M), D. Kelvin (K). List-II: I. √(hc/G), II. √(Gh/c⁵), III. √(K²L²c³/Gh), IV. √(Gh/c³), where h (Planck's constant), G (gravitational constant) and c (speed of light in vacuum) as fundamental units.
Answer: (B)
Solution
Dimensional analysis (Planck units): Planck length=√(hG/c³) (A-IV), Planck
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