Download App

PART - 1 CH - 5Work, Energy and Power — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysicsPART - 1 CH - 5Work, Energy and Power5 Marks
Question
Explain the concept of potential energy.
✓

Answer

self

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "5 Marks Questions" from PART - 1 CH - 5Work, Energy and Power→PART - 1 CH - 5Work, Energy and Power — all question types→Physics STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

A turn of radius 20m is banked for the vehicles going at a speed of 36 km/h. If the coefficient of static friction between the road and the tyre is 0.4, what are the possible speeds of a vehicle so that it neither slips down nor skids up?
→
Suppose a hole was drilled completely through the earth along a diameter. Show that the force on a mass m at a distance r from the centre of the earth is $ \text{F}= \frac{-\text{mgr}}{\text{R}}$ assuming that the density of the earth is uniform.
→
Define conservative and non-conservative forces and also describe their examples.
→
The electric field at a point associated with a light wave is $\text{E}=\big(100\frac{\text{v}}{\text{m}}\big)\sin[(3.0\times10^{15}\text{s}^{-1})\text{t]sin[(6.0}\times10^{15}\text{s}^{-1})\text{t}].$ If this light falls on a metal surface having a work function of 2.0eV, what will be the maximum kinetic energy of the photoelectrons?
→
Suppose the rod with the balls A and B of the previous problem is clamped at the centre in such a way that it can rotate freely about a horizontal axis through the clamp. The system is kept at rest in the horizontal position. A particle P of the same mass m is dropped from a height h on the ball B. The particle collides with B and sticks to it:
  1. Find the angular momentum and the angular speed of the system just after the collision.
  2. What should be the minimum value of h so that the system makes a full rotation after the collision.
→
Suppose the smaller pulley of the previous problem has its radius 5.0cm and moment of inertia 0.10kg-m2. Find the tension in the part of the string joining the pulleys.
→
Using a screw gauge, the diameter of a metal rod was measured. The observation are given as follows: 0.39mm, 0.38mm, 0.37mm. 0.41mm, 0.38mm, 0.38mm, 0.37mm, 0.40mm, 0.39mm. Calculate
  1. The most accurate value of the diameter.
  2. The relative error.
  3. The percentage error in the measurement of the diameter.
→
A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate:
  1. The speed of the centre of mass.
  2. The angular speed of the rod about the centre of mass.
  3. The kinetic energy of the rod.
  4. The angular momentum of the rod about the centre of mass after the force has stopped to act. Assume that t is so small that the rod does not appreciably change its direction while the force acts.
→
A hollow sphere of radius 2cm is attached to an 18cm long thread to make a pendulum. Find the time period of oscillation of this pendulum. How does it differ from the time period calculated using the formula for a simple pendulum?
→
An insulated container containing monoatomic gas of molar mass m is moving with a velocity v0. If the container is suddenly stopped, find the change in temperature.
→