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Units and Measurements question

2024 · 9 Apr · Shift 2 · Q77
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  5. /2024 · 9 Apr · Shift 2 · Q77

Units and Measurements question

2024 · 9 Apr · Shift 2 · Q77

JEE MainPhysicsUnits and MeasurementsMCQ+4 / −1
The de-Broglie wavelength associated with a particle of mass mmm and energy EEE is h/2mEh / \sqrt{2 m E}h/2mE​. The dimensional formula for Planck's constant is :
  1. A
    [M2 L2 T−2]\left[\mathrm{M}^2 \mathrm{~L}^2 \mathrm{~T}^{-2}\right][M2 L2 T−2]
  2. B
    [ML−1 T−2]\left[\mathrm{ML}^{-1} \mathrm{~T}^{-2}\right][ML−1 T−2]
  3. C
    [ML2 T−1]\left[\mathrm{ML}^2 \mathrm{~T}^{-1}\right][ML2 T−1]
  4. D
    [MLT−2]\left[\mathrm{MLT}^{-2}\right][MLT−2]
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