Physics questions
20027 published questions with worked solutions.
- A solid sphere of mass 1 kg and radius 10 cm rolls without slipping on a horizontal surface, with velocity of 10 cm/s. The total...
- A sphere of mass 'M' is attached to one end of a metal wire having length 'L' and diameter 'D'. It is whirled in a vertical...
- A particle moves along a circular path of radius 'r' with uniform speed 'V'. The angle described by the particle in one second is...
- In non-uniform circular motion, the ratio of tangential acceleration to radial acceleration is (r = radius of circle, V = speed...
- Four spheres each of mass 'M' and radius 'R' are placed with their centres on the corners of a square of side 'L'. The moment of...
- The power (P) is supplied to rotating body having moment of inertia 'I' and angular acceleration ' '. Its instantaneous angular...
- A flat curved road on highway has radius of curvature 400 m. A car rounds the curve at a speed of 24 m/s. The minimum value of...
- What is the ratio of the angular speeds of second hand and the minute hand of a clock? [MHT-CET 2022, MHT-CET 2022]
- If the earth suddenly contracts to ( 13 )^2 of its present size without change in its mass, the ratio of kinetic energy of the...
- A body of mass 10 kg is attached to a wire 0.3 m long. Its breaking stress is 4.8 10^7 N/m^2. The area of cross-section of the...
- In the case of conical pendulum, if 'T' is the tension in the string and ' ' is the semi-circle angle of cone, then the compound...
- A uniform metallic rod rotates about its perpendicular bisector with constant angular speed. If it is heated uniformly to raise...
- In the case of conical pendulum, if T is the tension in the string and is the semi-vertical angle of cone, then the component of...
- A torque of 50 Nm acts on a body for 8 second which is initially at rest. The change in its angular momentum is [MHT-CET 2021,...
- The relative angular speed of hour hand and second hand of a clock is [MHT-CET 2021, MHT-CET 2021]
- The ratio of radii of gyration of a ring to a disc (both circular) of same radii and mass, about a tangential axis perpendicular...
- A particle starting from rest moves along the circumference of a circle of radius 'r' with angular acceleration ' '. The...
- A solid cylinder of radius 'R' and mass 'M' rolls down an inclined plane of height 'h'. When it reaches the bottom of the plane,...
- If there is a change of angular momentum from 1J-s to 4J-s in 4 second, then the torque is [MHT-CET 2021, MHT-CET 2021]
- The moment of inertia of a uniform square plate about an axis perpendicular to its plane and passing through the centre is Ma^2 6...