MCQ
A small spherical solid ball is dropped in a viscous liquid. Its journey in the liquid is best described in the figure drawn by:-


- Acurve $A$
- Bcurve $B$
- ✓curve $C$
- Dcurve $D$

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

${x_1} = a\sin (\omega \,t + {\phi _1})$, ${x_2} = a\sin \,(\omega \,t + {\phi _2})$
If in the resultant wave the frequency and amplitude remain equal to those of superimposing waves. Then phase difference between them is

