A man x can hear only upto 10 kHz and another man y upto 20 kHz. A note of frequency 500 Hz is produced before them from a stretched string. Then

• A

  Both will hear sounds of same pitch but different quality

• B

  Both will hear sounds of different pitch but same quality

• C

  Both will hear sounds of different pitch and different quality

• D

  Both will hear sounds of same pitch and same quality