AP EAMCET · PHYSICS · Magnetic Properties of Matter
One bar magnet is in simple harmonic motion with time period T in an earth's magnetic field. If its mass is increased by 9 times the time period becomes
- A 3T
- B 9T
- C 4T
- D \(\sqrt{3} \mathrm{~T}\)
Answer & Solution
Correct Answer
(A) 3T
Step-by-step Solution
Detailed explanation
The time period of a bar magnet in a magnetic field is…
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
- Pressure \((\mathrm{P})\) versus density (d) graph of an ideal gas is shown in the figure. Choose the correct statement.
AP EAMCET 2017 Easy - A particle of mass 2 g and charge \(6 \mu \mathrm{C}\) is accelerated from rest through a potential difference of 60 V . The speed acquired by the particle isAP EAMCET 2024 Medium
- Dispersive power depends on the following :AP EAMCET 2006 Easy
- A \(50 \mathrm{~g}\) ice cube at \(-10^{\circ} \mathrm{C}\) is added to \(200 \mathrm{~g}\) of water at \(30^{\circ} \mathrm{C}\). The final temperature of the mixture is (specific heat of water \(=1 \mathrm{cal} \mathrm{g}^{-1}{ }^{\circ} \mathrm{C}^{-1}\), latent heat of fusion of ice \(=80 \mathrm{cal} \mathrm{g}^{-1}\) specific heat of ice \(=0.5 \mathrm{cal} \mathrm{g}^{-1}\) \({ }^{\circ} \mathrm{C}^{-1}\) )AP EAMCET 2023 Easy
- A point charge \(q\) is placed at origin. Let \(\mathbf{E}_{A^{\prime}} \mathbf{E}_B\) and \(\mathbf{E}_C\) be the electric fields at three points \(A\) \((1,2,3), B(1,1,-1)\) and \(C(2,2,2)\) respectively due to the charge \(q\). Then, the relation between them is
1. \(\mathbf{E}_A \perp \mathbf{E}_B\)
2. \(\mathbf{E}_A \| \mathbf{E}_C\)
3. \(\left|\mathbf{E}_B\right|=4\left|\mathbf{E}_C\right|\)
4. \(\left|\mathbf{E}_B\right|=8\left|\mathbf{E}_C\right|\)AP EAMCET 2018 Easy - The stress - strain graph of two wires A and B is shown in the figure. If \(\mathrm{Y}_{\mathrm{A}}\) and \(Y_B\) are Young's moduli of materials of wires \(A\) and \(B\) respectively, then
AP EAMCET 2025 Medium
More PYQs from AP EAMCET
- Which of the following, compounds is the reactant in Rosenmund's reduction?AP EAMCET 2005 Easy
- The number of real roots of the equation \(\frac{\left(x^2+1\right)^3}{x^3}+\frac{x^2+1}{3 x}=0,(x \neq 0)\) isAP EAMCET 2021 Medium
- \(\int \frac{x^{e-1}+e^{x-1}}{x^e+e^x} d x=\)AP EAMCET 2017 Medium
- If \(y=(1+x)\left(1+x^2\right)\left(1+x^4\right) \ldots\left(1+x^{2 n}\right)\), then \(\left(\frac{d y}{d x}\right)_{x=0}\) is equal toAP EAMCET 2011 Medium
- The IUPAC name of an unsymmetrical ether with the molecular formula \(=\mathrm{C}_4 \mathrm{H}_{10} \mathrm{O}\)AP EAMCET 2004 Easy
- The amplitude of electric field in an electromagnetic wave is \(60 \mathrm{Vm}^{-1}\). Then the amplitude of magnetic field isAP EAMCET 2017 Easy