NEET · Physics · STD 11 - 12 . kinetic theory of gases
The Mean Free Path \(\ell\) for a gas molecule depends upon diameter, \(d\) of the molecule as
- A \(\ell \propto \frac{1}{d}\)
- B \(\ell \propto \frac{1}{d^{2}}\)
- C \(\ell \propto d\)
- D \(\ell \propto d^{2}\)
Answer & Solution
Correct Answer
(B) \(\ell \propto \frac{1}{d^{2}}\)
Step-by-step Solution
Detailed explanation
Mean free path \((\ell)\) \(\ell=\frac{1}{\sqrt{2} n \pi d^{2}}\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- A refrigerator works between \(4^o C\) and \(30^o C.\) It is required to remove \(600\) calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is ....... \(W\) (Take \(1\, cal \,=\, 4.2\, Joules\,)\)NEET 2016 Medium
- The Truth table for the given logic circuit is:
NEET 2022 Medium - An air column, closed at one end and open at the other, resonates with a tuning fork when the smallest length of the column is \(50\, cm.\) The next larger length of the column resonating with the same tuning fork is .... \(cm\)NEET 2016 Medium
- The area of a rectangular field (in \(m ^{2}\)) of length \(55.3\,m\) and breadth \(25 \;m\) after rounding off the value for correct significant digits isNEET 2022 Easy
- A set of \(n\) equal resistors, of value \(R\) each, are connected in series to a battery of emf \(E\) and internal resistance \(R.\) The current drawn is \(I.\) Now, the \(n\) resistors are connected in parallel to the same battery. Then the current drawn from battery becomes \(10\,I.\) The value of \(n\) isNEET 2018 Medium
- A satellite of mass \(m\) is in circular orbit of radius \(3 R_E\) about earth (mass of earth \(M_{E}\), radius of earth \(R_{E}\)). How much additional energy is required to transfer the satellite to an orbit of radius \(9 R_{E}\)?NEET 2017 Medium
More PYQs from NEET
- A hydrogen gas electrode is made by dipping platinum wire in a solution of \(HCl\) of \(pH = 10\) and by passing hydrogen gas around the platinum wire at one atm pressure. The oxidation potential of electrode would be .......... \(V.\)NEET 2013 Hard
- The \(H\)-zone in the skeletal muscle fibre is due toNEET 2013 Medium
- Phosphoenol pyruvate \((PEP) \) is the primary \(CO_2\) acceptor inNEET 2017 Medium
- Select the correct statements with reference to chordates.
\(A\). Presence of a mid-dorsal, solid and double nerve cord.
\(B\). Presence of closed circulatory system.
\(C\). Presence of paired pharyngeal gill slits.
\(D\). Presence of dorsal heart
\(E\). Triploblastic pseudocoelomate animals.
Choose the correct answer from the options given below:NEET 2023 Medium - Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis ? It involves:NEET 2022 Medium
- In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called asNEET 2023 Medium