AP EAMCET · PHYSICS · Thermal Properties of Matter
Two closed containers of same dimensions made of different materials are completely filled with ice. The ice in the first container takes 20 minutes and that in the second container takes 10 minutes, respectively for complete melting. The ratio of the thermal conductivities of the materials of the two containers is _________ .
- A \(1: 2\)
- B \(2: 1\)
- C \(3: 1\)
- D \(1: 3\)
Answer & Solution
Correct Answer
(A) \(1: 2\)
Step-by-step Solution
Detailed explanation
No solution. Refer to answer key.
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
- A2 kg ball thrown vertically upward and another 3 kg ball projected with certain angle \((\theta \neq 90)\) both will have same time of flight. Then the ratio of their maximum heights isAP EAMCET 2024 Medium
- In the given circuit, if the potential difference between and is then the equivalent capacitance between and , and the charge on capacitor respectively, are
AP EAMCET 2021 Medium - A ball is thrown upward from the top of a building at angle of \(30^{\circ}\) to the horizontal with an initial speed of 15 \(\mathrm{ms}^{-1}\). If the ball hits the ground after \(3 \mathrm{~s}\), then the height of building is (acceleration due to gravity \(=10 \mathrm{~ms}^{-2}\) )AP EAMCET 2022 Medium
- In the circuit given, the charge on the capacitor is
AP EAMCET 2017 Easy - In steady state, a capacitor of capacitance \(2 \mu \mathrm{F}\) is charged to \(4 \mu \mathrm{C}\), as shown in figure. If the internal resistance of the cell is \(0.5 \Omega\), then the emf of the cell is
AP EAMCET 2017 Easy - A stone thrown with velocity ' \(u\) ' at angles ' \(\theta^{\prime}\) and \(\left(90^{\circ}-\theta\right)\) with the horizontal reaches to maximum heights \(\mathrm{H}_1\) and \(\mathrm{H}_2\) respectively. Its horizontal range isAP EAMCET 2023 Medium
More PYQs from AP EAMCET
- In a regular hexagon \(A B C D E F\), \(\mathbf{A D}+\mathbf{E B}+\mathbf{F C}=(\beta \lambda-8) \mathbf{A B}\). Then \(\lambda=\)AP EAMCET 2020 Medium
- The equation of radical axis of the circles and isAP EAMCET 2021 Medium
- In \(\triangle \mathrm{ABC}\), if \(\cos \mathrm{A}+\cos \mathrm{C}=4 \sin ^2 \frac{\mathrm{B}}{2}\), then the ratio between the perimeter of the triangle and \((a+c)\) isAP EAMCET 2023 Hard
- A block of mass \(2 \mathrm{~kg}\) is initially at rest on a horizontal frictionless surface. A horizontal force \(\overrightarrow{\mathbf{F}}=\left(9-x^2\right) \hat{\mathbf{i}}\) newtons acts on it, when the block is at \(x=0\). The maximum kinetic energy of the block between \(x=0\) and \(x=3 \mathrm{~m}\) in joule isAP EAMCET 2004 Medium
- If \(Z_r=\cos \left(\frac{\pi}{2^r}\right)+i \sin \left(\frac{\pi}{2^r}\right)\) for \(r=1,2,3, \ldots\). , then \(Z_1 Z_2 Z_3 \ldots \infty\) equals toAP EAMCET 2014 Hard
- If the area of the triangle formed by the lines \(y=x+c\) and \(2 x^2+5 x y+3 y^2=0\) is \(\frac{1}{20}\) sq. units, then \(c=\)AP EAMCET 2023 Medium