10. ध्वनि तरंग की आवृत्ति 200 Hz है तो आवर्तकाल है :
• (1) 0.005 sec
(2) 0.05 sec
(3) 0.5 sec
(4)0.0005 sec
Answers
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1
Answer:
(3) 0.5sec
Explanation:
चूँकि आवर्तकाल= 1/आवर्त (Hz)
इसलिए, आवर्तकाल= 1/200Hz
= 0.5 sec
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