The rate at which something occurs over a particular period of time.

The number of occurrences of a repeating event per unit time.

किसी दोहराए जाने वाले घटना की प्रति इकाई समय में होने की संख्या।

English Usage: She measured the frequency of the sound waves produced.

Hindi Usage: उसने उत्पन्न ध्वनि तरंगों की आवृत्ति को मापा।

The differences or alterations in the rate of occurrence of a specific event or phenomenon.

Changes in how often something occurs over time.

समय के साथ किसी चीज़ के होने की आवृत्ति में परिवर्तन।

English Usage: The researchers reported significant frequency variation due to climate changes.

Hindi Usage: शोधकर्ताओं ने जलवायु परिवर्तन के कारण महत्वपूर्ण आवृत्ति परिवर्तन की सूचना दी।