Download App

5.work,energy,power and collision — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysics5.work,energy,power and collision1 Mark
MCQ
The energy stored in wound watch spring is
  • A
    K.E.
  • ✓
    P.E.
  • C
    Heat energy
  • D
    Chemical energy
✓

Answer

Correct option: B.
P.E.
b
(b)

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 "M.C.Q (1 Marks)" from 5.work,energy,power and collision→5.work,energy,power and collision — all question types→Physics STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

A cylinder rolls down two different inclined planes of the same height but of different inclinations
→
If the displacement of an object is directly proportional to the square of time, then the speed of the object is :
→
A transverse wave travels along the Z-axis. The particles of the medium must move:
  1. Along the Z-axis
  2. Along the X-axis
  3. Along the Y-axis
  4. In the X-Y plane.
→
Two masses $M$ and $m$ are connected by a weightless string. They are pulled by a force $F$ on a frictionless horizontal surface. The tension in the string will be
→
Initial angular velocity of a circular disc of mass $M$ is $\omega_{1}$. Then two small spheres of mass $m$ are attached gently to two diametrically opposite points on the edge of the disc. What is the final angular velocity of the disc?
→
$Assertion$ : There are very small sporadic changes in the speed of rotation of the earth
$Reason$ : Shifting of large air masses in the earth's atmosphere produce a change in the moment of inertia of the earth causing its speed of rotation to change.
→
A particle of mass ${m}$ is suspended from a ceiling through a string of length $L$. The particle moves in a horizontal circle of radius $r$ such that ${r}=\frac{{L}}{\sqrt{2}}$. The speed of particle will be:
→
An object may have:
  1. Varying speed without having varying velocity.
  2. Varying velocity without having varying speed.
  3. Nonzero acceleration without having varying velocity.
  4. Nonzero acceleration without having varying speed.
→
Two sound waves having a phase difference of $60°$ have path difference of
→
Assertion : A helium filled balloon does not rise indefinately in air but halts after a certain height.

Reason : Viscosity opposes the motion of balloon. Choose any one of the following four responses:

→