WBJEE · Physics · Units and Dimensions
If \(n\) denotes a positive integer, \(h\) the Planck constant, \(q\) the charge and \(B\) the magnetic field, then the quantity \(\left[\frac{n h}{2 \pi q B}\right]\) has the
- A area
- B length
- C speed
- D acceleration
Answer & Solution
Correct Answer
(A) area
Step-by-step Solution
Detailed explanation
\(\left[\frac{n h}{2 \pi q B}\right]\) where \(n\) and \(2 \pi\) dimensionless quantity So, \([h]=[m v r]\)…
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