AP EAMCET · PHYSICS · Kinetic Theory of Gases
If the speed of sound in a mixture of 2 moles of Helium and 2 moles of Hydrogen at temperature \(\frac{972}{5} \mathrm{~K}\) is \(n \times 100 \mathrm{~ms}^{-1}\), then the value of \(n\) is (Take, \(\left.R=\frac{25}{3} \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\right)\)
- A 9
- B 10
- C 100
- D 90
Answer & Solution
Correct Answer
(A) 9
Step-by-step Solution
Detailed explanation
Given, \(T=\frac{972}{5} \mathrm{~K}, R=\frac{25}{3} \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\) Molecular mass of the mixture…
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
- The decay of a radioactive material is shown in the graph. From the graph, the decay constant of the material is nearly
AP EAMCET 2017 Medium - Unification of weak and electromagnetic interactions was done byAP EAMCET 2021 Easy
- If a ball projected vertically upwards with certain intitial velocity from the ground crosses a point at a height of 25 m twice in a time interval of 4 s, then the initial velocity of the ball is
(Acceleration due to gravity \(=10 \mathrm{~m} \mathrm{~s}^{-2}\) )AP EAMCET 2025 Medium - When monochromatic light of wavelength is used in Young's double slit experiment, the fifth order bright fringe is formed at from the central bright fringe on the screen. If the experiment is conducted with light of wavelength from the central bright fringe, the third order bright fringe will be located atAP EAMCET 2022 Medium
- An infinitely long wiré carrying 1 A current in the \(+z\) direction is placed at \((1 \mathrm{~cm}, 1 \mathrm{~cm})\). Another wire carrying \(1 \mathrm{~A}\) in \(+x\) direction is placed at \(y=1 \mathrm{~cm}\). If the magnetic field due to this configuration at the origin is \(\mathbf{B}\). Let \(B_0\) be the magnitude of the field if only the wire at \((1 \mathrm{~cm}, 1 \mathrm{~cm})\) was present, then \(\frac{\mathbf{B}}{B_0}\) isAP EAMCET 2022 Hard
- A physical quantity obtained from the ratio of the coefficient of thermal conductivity to the universal gravitational constant has a dimensional formula \(\left[\mathrm{M}^{2 a} \mathrm{~L}^{4 b} \mathrm{~T}^{2 c} \mathrm{~K}^d\right]\), then the value of \(\frac{a+b}{c+b}-d\) isAP EAMCET 2019 Easy
More PYQs from AP EAMCET
- If \(\int \sqrt{\frac{2}{1+\sin x}} d x=2 \log |A(x)-B(x)|+C\) and \(0 \leq x \leq \frac{\pi}{2}\) then \(B\left(\frac{\pi}{4}\right)=\)AP EAMCET 2024 Hard
- Observe the following statements
A. Integrating factor of \(\frac{d y}{d x}+y=x^2\) is \(e^x\)
R. Integrating factor of \(\frac{d y}{d x}+P(x) y=Q(x)\) is \(e^{\int P(x) d x}\)
Then, the true statement among the following isAP EAMCET 2004 Easy - An air column in a tube \(32 \mathrm{~cm}\) long, closed at one end, is in resonance with a tuning fork. The air column in another tube, open at both ends, of length \(66 \mathrm{~cm}\) is in resonance with
another tuning fork. When these two tuning forks are sounded together, they produce 8 beats per second. Then the frequencies of the two tuning forks are, (Consider fundamental frequencies only)AP EAMCET 2013 Hard - If \(a x^2+6 x y+b y^2-10 x+10 y-6=0\) represents a pair of perpendicular lines, then the values of \(|a|\) equalsAP EAMCET 2021 Easy
- \(f: \mathbb{R} \rightarrow \mathbb{R}\) is defined by \(f(x+y)=f(x)+12 y, \forall x, y \in \mathbb{R}\) If \(f(1)=6\), then \(\sum_{r=1}^n f(r)=\)AP EAMCET 2024 Easy
- The increasing order of densities of the following alkyl halides is
1. \(n-\mathrm{C}_3 \mathrm{H}_7 \mathrm{Br}\)
II. \(n-\mathrm{C}_3 \mathrm{H}_7 \mathrm{Cl}\)
m. \(n-\mathrm{C}_3 \mathrm{H}_7 \mathrm{I}\)AP EAMCET 2020 Easy