A certain red light has a wavelength of 725 nm and another red light has a frequency of 4.28 X 1014 /sec. Which would have higher energy per photon? (4.28 X 1014/sec; it is shorter) ______________8. Find the color of light whose frequency is 5.21 X 1014 cycles/sec.
Yes, it is a signal from the three unliscensed frequency ranges. 5. If it is, what type of signal is this, 900 MHz, 2.4GHz, or 5 GHz? The signal operates in the 2.4 GHz frequency. 6.
6. Inside the circle marked as Pattern 3 is this a signal from one of the three unlicensed signal ranges? Yes, it is a signal from one of the three unlicensed signal ranges. 7. If it is, what type of signal is this, 900 MHz, 2.4GHz, or 5 GHz?
Midterm #3 Practice Exam 1. The energy of a photon of light is __________ proportional to its frequency and __________ proportional to its wavelength. A. directly, inversely B. indirectly, not C. directly, directly D. inversely, inversely E. inversely, directly 2. What is the frequency of light (s-1) that has a wavelength of 1.23 x 10-6 cm? A.
Power source: the desktop computer contains a power supply that draws power from a wall outlet and may provide hundreds of watts of power to the system. The notebook computer relies on rechargeable battery for power when not plugged Software: both types of computers can run the same operating systems and application program. Size: the desktop computer sits on a desk and is not easily portable. The notebook computer sits on the top of a table or in your lap and easily portable. Power saving: both types of computers can hibernate or sleep when not being used.
The hardware-based system manages the RAID subsystem independently from the host and presents to the host only a single disk per RAID array. Software RAID implements the various RAID levels in the kernel disk (block device) code. It offers the cheapest possible solution, as expensive disk controller cards or hot-swap chassis are not required. Software RAID also works with cheaper IDE disks as well as SCSI disks. With today’s fast CPUs, Software RAID performance can excel
Provide a comparison table showing the similarities and differences between Desktop and notebook computers Similarities | Differences | Functionality: Both types of computers provide expansion ports, CD/DVD drives, keyboards, mouse, both audio output and visual display | Power Source: The desktop computer extracts power from the wall outlet and may provide hundreds of watts of power whereas a laptop relies upon a rechargeable battery for power | Software: Both types of computers can run on the same operating system and application programs. | Size: The desktop computer sits on a hard surface and is not easily portable. The notebook computer sits on the top of a hard surface or upon your lap and is easily portable. | Power Saving: Both types of computers can hibernate or sleep when not in use. | Components: The internal components of a desktop computer are not designed for low power operation.
Silver oxide cells are great for usage in portable applications as they are very small which allows them to be fitted into small items such as watches calculators and other items. Silver oxide batteries made for watches use a sodium hydroxide electrolyte system; this enables the battery to perform at low draining continuous use for very long periods of time and can last up to and around 5 years. This type of system will be commonly
12.3: *Other Adverse Weather Conditions* * Wind, extreme temperature, and winter weather can make the driving task very difficult. * Wind: Winds can reduce vehicle control and push light cars in an unintended direction. * Hot Weather * In extreme temperature can cause serious problems for your vehicle. * Temperature light gauge indicates when the engine is too hot. * If not turn off the A/C and turn on the heater.
Another risk factor is the “heat island effect”. When you are in an urban area during a heat wave combined with poor air quality, inactive atmospheric conditions, and the heat stored in concrete released at night you experience this effect. Being less than four years old or over the age of sixty-five increases are risks. Medical implications that increase the risk of heat exhaustion are heart, lung, and kidney disease, obesity, underweight, high blood pressure, diabetes, mental illness, sickle cell trait, alcoholism, sunburn, any conditions that cause fever, and diabetes. Medications that increase your risk are diuretics, sedatives, tranquilizers, stimulants, some heart and blood pressure medications, and medications for psychiatric conditions.