JEE Mains · Physics · STD 11 - 1. units,dimensions and measurement
Match List\(-I\) with List\(-II\).
| List\(-I\) | List\(-II\) |
| \((a)\) \({R}_{{H}}\) (Rydberg constant) | \((i)\) \({kg} {m}^{-1} {s}^{-1}\) |
| \((b)\) \(h\) (Planck's constant) | \((ii)\) \({kg} {m}^{2} {s}^{-1}\) |
| \((c)\) \(\mu_{{B}}\) (Magnetic field energy density) | \((iii)\) \({m}^{-1}\) |
| \((d)\) \(\eta\) (coefficient of viscocity) | \((iv)\) \({kg} {m}^{-1} {s}^{-2}\) |
- A \((a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)\)
- B \((a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)\)
- C \((a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)\)
- D \((a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)\)
Answer & Solution
Correct Answer
(B) \((a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)\)
Step-by-step Solution
Detailed explanation
\(SI\) unit of Rydberg const. \(={m}^{-1}\) \(SI\) unit of Plank's const. \(={kg} {m}^{2} {s}^{-1}\) \(SI\) unit of Magnetic field energy density \(={kg} {m}^{-1} {s}^{-2}\) \(SI\) unit of coeff. of viscosity \(={kg} {m}^{-1} {s}^{-1}\)
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