PART - 1 CH - 3 Motion in a Plane — Physics STD 11 Science — Question

What is moment of inertia of a solid sphere about its diameter?

Is it possible to boil water at room temperature, say 30°C? If we touch a flask containing water boiling at this temperature, will it be hot?

Two persons of equal mass are standing at some distance from each other on a flat field of ice with ice skates tied to their feet. Arope is tied around the waist of one person. If the second person pulls the rope towards himself, what will be the effect of the speed of both the people?

The plates of a parallel-plate capacitor are given equal positive charges. What will be the potential difference between the plates? What will be the charges on the facing surfaces and on the outer surfaces?

A simple harmonic motion is described by a = -16x where a → acceleration and x is displacement in meter. What is the time period?

Which harmonics are absent in a closed organ pipe?

Write two factors on which center of mass of a body does not depend.

A particle is in linear simple harmonic motion between two points, A and B, 10cm apart. Take the direction from A to B as the positive direction and give the signs of velocity, acceleration and force on the particle when it is:At the mid-point of AB going towards A.

Write the meaning of laser.

What should be the value of Reynolds number for streamline fluid flow in a narrow tube?