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The waves which are less than 20Hz are known as
Which Instrument is used to measure depth of ocean?
Which of the following instruments is correctly matched with its function?
I) Voltmeter - Measures potential difference
II) Ammeter - Me...
The instrument which uses sound waves to measure the depth of oceans is –
Which pioneer scientist used radio waves to transmit signals over distances of several kilometres in the 1890s?
Which material is primarily responsible for the elasticity found in leggings and athletic apparel?
What is the device used to amplify and modulate microwave frequency signals called?
The acceleration due to gravity ___________ with height
The hair of shaving brush clings together when removed from water due to –
Which of the following layers of the atmosphere makes Radio Communication possible?
