MCQ
The motion of a torsional pendulum is:
- APeriodic.
- BOscillatory.
- CAngular simple harmonic.
- ✓All of the above
✓
Answer
Correct option: D.
All of the above
Because it completes one oscillation in a fixed interval of time and the oscillations are in terms of rotation of the body through some angle.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A person aiming to reach the exactly opposite point on the bank of a stream is swimming with a speed of $0.5\, m/s$ at an angle of $120^°$ with the direction of flow of water. The speed of water in the stream is..........$m/s$
→Consider a bowl filled with water on which some black pepper powder have been sprinkled uniformly. Now, a drop of liquid soap is added at the centre of the surface of water. The picture of the surface immediately after this will look like
Mass $M$ is divided into two parts $xM$ and $(1 - x)\,M$. For a given separation, the value of $x$ for which the gravitational attraction between the two pieces becomes maximum is
→A rod of length $L$ leans against a smooth vertical wall while its other end is on a smooth floor. The end that leans against the wall moves uniformly vertically downward. Select the correct alternative
→The vector $\overrightarrow{O A}$ where $O$ is origin is given by $\overrightarrow{O A}=2 \hat{i}+2 \hat{j}$. Now it is rotated by $45^{\circ}$ anticlockwise about $O$. What will be the new vector?
→The temperature at which root mean square speed of a gas will be half of its value at $0\,^oC$ is ....... $^oC$
→A piece of hot copper at $100^{\circ} C$ is plunged into a pond at $30^{\circ} C$. The copper cools down to $30^{\circ} C$, while the pond being huge stays at its initial temperature. Then,
→A wave going in a solid.
-
Must be longitudinal
-
May be longitudinal
-
Must be transverse
-
May be transverse.
The speed of sound in air at a given temperature is $350 m/s$. An engine blows whistle at a frequency of $1200 \,cps$. It is approaching the observer with velocity $50 m/s$. The apparent frequency in cps heard by the observer will be
→The two vectors $\vec A = -2\widehat i + \widehat j + 3\widehat k$ and $\vec B = 7\widehat i + 5\widehat j + 3\widehat k$ are :-
→