The mean free path of molecules of a certain gas at STP is 1500d, where d is the diameter of the gas molecules. While maintaining the standard pressure, the mean free path of the molecules at
373K is approximately
(1) 1098d
(2) 2049d
(3) 750d
(4) 1500d JEE-2024
Solution:
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The magnetic field at the centre of a wire loop formed by two semi circular wires of radii R1 = 2 πm and R2 = 4π m carrying current I = 4A as per figure given below is a × 10^–7 T. The value of a is ______. (Centre O is common for all segments)
