MCQ
Acceleration of a particle, executing SHM, at it's mean position is
- AInfinity
- BVaries
- CMaximum
- ✓Zero
✓
Answer
Correct option: D.
Zero
(d) $A=-\omega^2 y$ at mean position $y=O$So acceleration is minimum (zero).
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
An air bubble in a water tank rises from the bottom to the top. Which of the following statements are true
- Bubble rises upwards because pressure at the bottom is less than that at the top.
- Bubble rises upwards because pressure at the bottom is greater than that at the top.
- As the bubble rises, its size increases
- As the bubble rises, its size decreases
In the adjoining circuit diagram, the readings of ammeter and voltmeter are $2\, A$ and $120 \,V$, respectively. If the value of $R$ is $75\, \Omega$, then the voltmeter resistance will be $\Omega$
→If $\vec{A} \quad 3 \hat{i} \quad \hat{j} \quad 2 \hat{k}$ and $\vec{B} \quad 2 \hat{i} \quad 2 \hat{j} \quad 4 \hat{k}$ then value of $\mid \vec{A} u B$ will be
→Two identical wires of rubber and iron are stretched by the same weight, then the number of atoms in the iron wire will be
A convex mirror has a focal length $f$. A real object is placed at a distance $f$ in front of it from the pole produces an image at
→A step$-$up transformer operates on a $230 V$ line and supplies a load of $2$ ampere. The ratio of the primary and secondary windings is $1 : 25.$ The current in the primary is
→A liquid does not wet the sides of a solid, if the angle of contact is
Oil spreads over the surface of water whereas water does not spread over the surface of the oil, due to
In a mechanical refrigerator, the low temperature coils are at a temperature of $-23^{\circ} \mathrm{C}$ and the compressed gas in the condenser has a temperature of $27^{\circ} \mathrm{C}$. The theoretical coefficient of performance is
→Which one of the following is not a unit of young's modulus