MCQ
At nodes in stationary waves
- ✓Change in pressure and density are maximum
- BChange in pressure and density are minimum
- CStrain is zero
- DEnergy is minimum
✓
Answer
Correct option: A.
Change in pressure and density are maximum
Change in pressure and density are maximum
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
The wing span of an aeroplane is $20$ metre. It is flying in a field, where the vertical component of magnetic field of earth is $5 \times 10$ tesla, with velocity $360 \mathrm{~km} / \mathrm{h}$. The potential difference produced between the blades will be
→At neutral temperature, the thermoelectric power $\left(\frac{d E}{d T}\right)$ has the value[MP PET 2003; MP PMT 2004]
→A cut diamond sparkles because of its
The average e.m.f. induced in a coil in which the current changes from $2$ ampere to $4$ ampere in $0.05$ second is $8$ volt. What is the self inductance of the coil ?
→Which relation is correct for isometric process
At what speed should a source of sound move so that stationary observer finds the apparent frequency equal to half of the original frequency
A brass disc fits simply in a hole of a steel plate. The disc from the hole can be loosened if the system
Consider a car moving along a straight horizontal road with a speed of $72 \mathrm{~km} / \mathrm{h}$. If the coefficient of kinetic friction between the tyres and the road is 0.5 , the shortest distance in which the car can be stopped is $\left[g=10 \mathrm{~ms}^{-2}\right]$
→In a dc motor, induced e.m.f. will be maximum
A prism having an apex angle 4 and refraction index $1.5$ is located in front of a vertical plane mirror as shown in figure. Through what total angle is the ray deviated after reflection from the mirror
→