TS EAMCET · Physics · Kinetic Theory of Gases
At what temperature an oxygen molecule has the same r.m.s velocity as the hydrogen molecule has at 20 K?
- A 160 K
- B 320 K
- C 293 K
- D 347 K
Answer & Solution
Correct Answer
(B) 320 K
Step-by-step Solution
Detailed explanation
r.m.s velocity \(=\frac{\sqrt{3 \mathrm{RT}}}{\mathrm{M}}\) Equating r.m.s velocity expression for oxygen and hydrogen molecular.…
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
- \(\mathrm{N}\) molecules each of mass \(\mathrm{m}\) of gas \(\mathrm{A}\) and \(2 \mathrm{~N}\) molecules each of mass \(2 \mathrm{~m}\) of gas \(\mathrm{B}\) are contained in a vessel which is maintained at temperature \(T\). The mean square velocity of the molecules of gas B is denoted by \(V_2^2\) and the mean square of the \(\mathrm{X}\)-component velocity of the molecules of gas \(A\) is denoted by \(V_1^2\), then \(\frac{V_1}{V_2}\) isTS EAMCET 2023 Medium
- The electric potential at a place is varying as \(V=\frac{1}{2}\left(y^2-4 x\right)\) volt. Then the electric field at \(\mathrm{x}=1 \mathrm{~m}\) and \(\mathrm{y}=1 \mathrm{~m}\) isTS EAMCET 2023 Medium
- In a cubic container of inner side length \(10 \mathrm{~cm}\), nitrogen gas of \(100 \mathrm{kPa}\) pressure is maintained at \(300 \mathrm{~K}\). If the pressure inside the gas is increased to \(300 \mathrm{kPa}\) by adding oxygen gas, the ratio of number of \(\mathrm{N}_2\) to \(\mathrm{O}_2\) molecules in the container isTS EAMCET 2018 Easy
- For a particle executing simple harmonic motion, the kinetic energy of the particle at a distance of \(4 \mathrm{~cm}\) from the mean position is \(\frac{1}{3} \mathrm{rd}\) of the maximum kinetic energy. The amplitude of the motion isTS EAMCET 2023 Hard
- The magnitude of the force vector acting on a unit length of a thin wire carrying a current \(I=8 \mathrm{~A}\) at a point \(O\), if the wire is bent as shown in the figure with a radius, \(R=10 \pi \mathrm{cm}\) is
TS EAMCET 2019 Easy - The temperature on a Fahrenheit temperature scale that is twice the temperature on a Celsius temperature scale isTS EAMCET 2024 Easy
More PYQs from TS EAMCET
- A mass is supported by a massless string wound around a uniform hollow cylinder of massand radius . If the string does not slip on the cylinder, then with what acceleration will the mass release? (Assume acceleration due to gravity)
TS EAMCET 2020 Easy - An \(n-p-n\) transistor power amplifier in \(C-E\) configuration givesTS EAMCET 2005 Easy
- If the ratio of lengths, radii and Young's modulus of steel and brass wires shown in the figure are \(a, b\) and \(c\) respectively, the ratio between the increase in lengths of brass and steel wires would be
TS EAMCET 2009 Medium - A carrier wave of peak voltage is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation index ofTS EAMCET 2021 Easy
- Two towns \(\mathrm{X}\) and \(\mathrm{Y}\) are connected by a regular bus service. A bus leaves in either direction at every \(t=T\) minutes. A man moving with some speed in the direction \(\mathrm{X}\) to \(\mathrm{Y}\) finds that a bus goes past him every \(t=t_1\) minutes in the direction of his motion, and every \(t=t_2\) minutes in the opposite direction. Then \(T\) is given byTS EAMCET 2022 Medium
- The objective and eyepiece of an astronomical telescope are double convex lenses with refractive index 1.5. When the telescope is adjusted to infinity, the separation between the two lenses is \(16 \mathrm{~cm}\). If the space between the lenses is now filled with water and again telescope is adjusted for infinity, then the present separation between the lenses isTS EAMCET 2012 Medium