Question

What is SONAR? Write two applications of SONAR.
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Answer 1

Answer:

Sonar transducer measures the strength of the signal. The time taken by the emitted signal and its reception is the orientation and range of the object. Passive sonar: This sonar is used for detecting the noise coming from the marine objects such as submarines, and other marine animals like whales.

Answer 2

Answer:

India, officially the Republic of India, is a country in South Asia. It is the second-most populous country, the seventh-largest country by land area, and the most populous democracy in the world. Wikipedia

President: Ram Nath Kovind Trending

Capital: New Delhi

Gross domestic product: 2.72 lakh crores USD (2018) World Bank

Population: 135.26 crores (2018) World Bank

Prime minister: Narendra Modi