A. Highly precise instrument
B. Conduct at room temperature
C. Count number of vibration
D. Both a and C
Correct Answer: Both a and C ✔
Last Updated: January 20, 2021
A. Highly precise instrument
B. Conduct at room temperature
C. Count number of vibration
D. Both a and C
Correct Answer: Both a and C ✔
Last Updated: January 20, 2021