Select and write the correct answer of the following multiple choice type questions : 1) For a rolling hollow sphere, the ratio of the translation KE : rotational KE : Total KE is... Select and write the correct answer of the following multiple choice type questions : 1) For a rolling hollow sphere, the ratio of the translation KE : rotational KE : Total KE is 2) Two hailstones with radii in the ratio 1 : 4 fall from a great height through the atmosphere, the ratio of their terminal velocities is 3) In which thermodynamic process does the volume of a system remain constant? 4) A body of mass 1kg is performing linear SHM. Its displacement x (in sec) is given by x = 6sin(100t + π/4). The maximum kinetic energy of the body is. 5) The angle at which maximum torque is exerted by an external electric field on an electric dipole is 6) Kirchhoff's first law 7) The unit wb/m² is named 8) Magnetic susceptibility is positive & small for 9) The energy stored in soap bubble of diameter 6cm & surface tension 0.04 N/m is nearly 10) A parallel plate capacitor is charged & then isolated, on increasing the plate separation, the charge, potential and capacitance respectively. Answer the following questions: 1) Why is it useful to define radius of gyration? 2) State any two applications of pascal’s law 3) Give an example of a process in which heat is added to an object without changing its temperature. 4) Write the differential equation for angular SHM. 5) A wire is bent in a circle of radius 10cm. It is given a charge of 250μc which spreads on it uniformly. What is electric potential at the center? 6) Define potential gradient along wire. 7) State expression for the magnetic force experienced by a current-carrying conductor of arbitrary shape and closed circuit. 8) State formula and dimensions of magnetization.
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The question presents a set of multiple-choice questions and descriptive questions related to physics topics such as energy, thermodynamics, and electrostatics. It requires solutions related to specific physics principles and applications.
Answer
1) 3 : 2 : 5 2) 1 : 8 3) Isochoric 4) 36 J 5) 90° 6) Charge 7) Tesla 8) Sodium chloride 9) 1.25 × 10⁻³ J 10) Increases, decreases, decreases
- 3 : 2 : 5 2) 1 : 8 3) Isochoric 4) 36 J 5) 90° 6) Charge 7) Tesla 8) Sodium chloride 9) 1.25 × 10⁻³ J 10) Increases, decreases, decreases
Answer for screen readers
- 3 : 2 : 5 2) 1 : 8 3) Isochoric 4) 36 J 5) 90° 6) Charge 7) Tesla 8) Sodium chloride 9) 1.25 × 10⁻³ J 10) Increases, decreases, decreases
More Information
The formula for kinetic energy and terminal velocity can help in calculating these specific ratios. Ice crystals such as hailstones balance gravitational forces with atmospheric drag forces, affecting terminal velocities based on size.
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Ensure correct formulas and physical principles are applied to avoid calculation errors.
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