Explosions are not heard on the Moon away from the surface Due to the absence of atmosphere. Sound requires a medium like air to propagate, and the Moon’s vacuum-like environment lacks air molecules necessary to transmit sound waves. Therefore, no ...
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The pitch of sound depends on Frequency. Pitch refers to the perceived highness or lowness of a sound, which correlates directly with its frequency. Higher frequencies create higher pitches, while lower frequencies produce lower pitches.
The phenomenon used to detect prey, predators, or obstacles is as Formation of pulses. Animals like bats use echolocation, emitting ultrasonic pulses and detecting their echoes to locate objects. This method allows for precise navigation and hunting in environments where ...
Ultrasonic waves have frequencies more than 20,000 Hz, beyond the upper limit of human hearing. They are used in various applications such as medical imaging, industrial cleaning, and sonar.
Food cooks faster in a pressure cooker because the high pressure inside increases the boiling point of water, raising the cooking temperature. This higher temperature accelerates the cooking process, reducing the time needed to cook the food.