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How did the periscope help the people?
A periscope allows people to see above obstacles or around corners without being detected. It was commonly used on submarines to see above water while the submarine remained submerged. This helped to gather information about the surroundings and potential threats.
Which instrument used in submarine to see objects in sea level?
The instrument commonly used in submarines to see objects at sea level is called a periscope. It allows submariners to view the surface of the water while remaining submerged. The periscope uses a series of lenses and mirrors to provide a clear line of sight above the water while minimizing exposure. Additionally, modern submarines may also utilize cameras and sonar systems for enhanced visibility and detection.
What is the highest frequency commonly used for unlicensed radio frequency connections?
95 GHz
What type of wavelength are commonly used to communicate with satellites?
Microwaves are commonly used to communicate with satellites due to their ability to penetrate the Earth's atmosphere and transmit data over long distances. This frequency range is well-suited for satellite communication because it can effectively transmit signals without being significantly attenuated by the atmosphere.
What frequency is commonly referred to as middle C in musical notation and performance?
Middle C in musical notation and performance is commonly referred to as a frequency of 261.63 Hz.
What is unit of measure VLF?
VLF stands for Very Low Frequency, which refers to electromagnetic waves in the frequency range of 3 kHz to 30 kHz. This unit is commonly used in telecommunications, radio broadcasting, and geophysical studies, particularly in the context of subsurface exploration and communication with submarines. Frequencies in this range can penetrate deep into the Earth and are useful for various applications, including navigation and environmental monitoring.
Is elodea plant a fully submerged plant?
Yes, it is a fully-submerged plant; it's aquatic.
What is the reciprocal frequency?
The reciprocal frequency is the inverse of the frequency, calculated by dividing 1 by the frequency value. It is commonly used in physics and engineering to describe the time period corresponding to a specific frequency.
How do you find cumulative frequency?
By adding up the (one by one,) the frequency total in order to find the cumulative frequency, most commonly, you just then plot this on a cumulative frequency graph or box plot.
What is RF mouse?
An RF (Radio Frequency) mouse is a type of wireless computer mouse that uses radio frequency signals to communicate with a computer. It typically operates on a specific frequency, such as 2.4 GHz, and connects via a USB receiver plugged into the computer. RF mice offer greater freedom of movement compared to wired mice, as they do not require a physical connection. They are commonly used for both personal and professional computing tasks.
What is frequency pushing?
Frequency pushing refers to the intentional altering of the frequency of an oscillator, typically to increase its output frequency. This technique is commonly used in electronics and communication systems to achieve better performance and stability.
What is an RF remote?
An RF remote is a remote control device that uses radio frequency (RF) signals to communicate with and control electronic devices. RF remotes do not require a direct line of sight to the device being controlled, unlike infrared (IR) remotes which do. They are commonly used in situations where the controlled device is not in the line of sight of the user.
