Verified Solution • 2025–26 Session
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QAIPM-2012-Ph-1747: NEET 2012 Physics - Class 11 AIPM-2012-Ph-1747 Solution: If the nuclear radius of \(^{27}Al\) is 3.6 fermi the…
If the nuclear radius of is 3.6 fermi the approximate nuclear radius of in fermi is 2.4 1.2 4.8 3.6
Multiple Choice Options
- A 4 beats per second with intensity ratio 25 : 16 between waxing and waning.
- B 8 beats per second with intensity ratio 25 : 16 between waxing and waning.
- C 8 beats per second with intensity ratio 81 : 1 between waxing and warning.
- D 4 beats per second with intensity ratio 81 : 1 between waxing and waning.
Step-by-Step Verified Solution
2 � f 1 = 600 �
f 1 = 300 ...(i)
2 � f 2 = 608 �
f 2 = 304 ...(ii)
| f 1 _ f 2 | = 4 b e a t s
I max I m . n = ( A 1 + A 2 ) 2 ( A 1 + A 2 ) 2 = ( 5 + 4 ) 2 ( 5 _ 4 ) 2 = 81 1
where A 1 , A 2 are amplitudes of given two sound wave.