MCQ
The product $(P)$ will be


- ✓

- B

- C

- D







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

(Image)
The frequency of the wave is $\mathrm{x} \times 10^{19} \mathrm{~Hz}$. $x=$ . . . . (nearest integer)