frequency
/ˈfriːkwənsi/noun
उच्चारण फ़्रीक्वन्सी
आवृत्ति
Core word
- 1
[U, C]
the rate at which something happens or is repeated; the fact of something happening often; the rate at which a sound or light wave vibrates
आवृत्ति
- radio frequency
- The frequency of buses has increased since the new schedule began.
- The frequency of buses on this route has increased.
+ 2 more examples
- Heart attacks occur with greater frequency in people over fifty.
- Bats make sounds of very high frequency that we cannot hear.
Synonyms rate regularity occurrence incidence
§Structures (grammar patterns) 4
the frequency of + noun
Use 'of' to say how often something happens.
कोई घटना कितनी बार होती है, यह बताने के लिए 'of' आता है।
- The frequency of buses on this route is poor.
- Doctors noted the frequency of her headaches.
at frequent intervals / with increasing frequency
These phrases describe repeated action; 'with increasing frequency' means more and more often.
ये वाक्यांश बार-बार होने वाली क्रिया को बताते हैं; 'with increasing frequency' का अर्थ है अधिकाधिक बार।
- Floods are happening with increasing frequency.
- The trains stop at regular frequency.
frequency (physics) of sound and light
In science it means the number of waves per second, measured in hertz.
विज्ञान में इसका अर्थ प्रति सेकंड तरंगों की संख्या है, जिसे hertz में मापा जाता है।
- A high-frequency sound is a high-pitched sound.
- Radio stations broadcast at different frequencies.
frequency (uncountable) vs. frequencies (countable)
For how often, it is uncountable; for particular wave rates, it is countable.
'कितनी बार' के अर्थ में यह uncountable है; विशेष तरंग-दरों के लिए countable है।
- The frequency of rain varies by region.
- Dogs can hear sounds of higher frequencies.
+Collocations 4
adjective + frequency
highlowincreasinggreaterradiodominant
- The radio tuned to a low frequency to avoid noise.
verb + frequency
increasereducemeasurerecorddetermine
- The railway increased the frequency of trains during the festival.
noun + frequency
wordheartradiosoundwave
- A dictionary shows the word frequency of common words.
frequency + of + noun
attacksvisitsoccurrenceexerciseaccidents
- The frequency of accidents fell after the new signal was installed.
“More examples 5
- The frequency of the exam has been reduced from twice a year to once.
परीक्षा की आवृत्ति साल में दो बार से घटाकर एक बार कर दी गई है।
- FM stations use a frequency of about 100 megahertz.
FM स्टेशन लगभग 100 मेगाहर्ट्ज़ की आवृत्ति का प्रयोग करते हैं।
- Radhika recorded the frequency of rainy days during July.
राधिका ने जुलाई के दौरान बरसाती दिनों की आवृत्ति दर्ज की।
- The mathematics teacher drew a frequency table to show the marks.
गणित के शिक्षक ने अंकों को दिखाने के लिए एक frequency table बनाई।
- Cyclones are visiting the coast with greater frequency.
चक्रवात अब तट पर अधिक बार आ रहे हैं।
!Common mistakes 2
✗ The frequency of the buses are low in the evening.
✓ The frequency of the buses is low in the evening.
The subject is 'frequency', which is singular.
कर्ता 'frequency' है जो singular है।
✗ Accidents are happening in high frequent now.
✓ Accidents are happening with high frequency now.
After 'with' the noun 'frequency' is needed; 'frequent' is an adjective.
'with' के बाद संज्ञा 'frequency' चाहिए; 'frequent' विशेषण है।
◇Word family
≈Synonyms and antonyms
Synonyms
✓In the exam
General knowledge
Science: frequency is measured in hertz (Hz); grammar: adverbs of frequency (always, often, sometimes, never) come before the main verb.
विज्ञान में आवृत्ति hertz (Hz) में मापी जाती है; grammar में adverbs of frequency (always, often, sometimes, never) मुख्य verb से पहले आते हैं।