Question

answer for both the questions

Answer 1

$<b><I>$

CORRECT ANSWER IS ( A) ☑️

❇️REASON:

⏩Since source of frequency X gives 8 beats per second with frequency to 50 hertz it's possible frequency R 258 or 242.

⏩ As source of frequency X gives 12 beats per second with frequency 270 hertz it's possible frequencies 282 or 258.


⏩ the only possible frequency of X which gives 8 beats with frequency to 50 hertz also 12 beats per second with 258 hertz


hence the correct option is (a) ☑️

# be brainly