Answer:
The cutoff wavelength is the minimum wavelength in which a particular fiber still acts as a single mode fiber. Above the cutoff wavelength, the fiber will only allow the LP01 mode to propagate through the fiber (fiber is a single mode fiber at this wavelength).
Explanation:
Atmospheric pressure is an indicator of weather. When a low-pressure system moves into an area, it usually leads to cloudiness, wind, and precipitation.
Answer: F
Explanation: The boy is controlling the bowling ball therefore he can use greater force
<span>A ray traveling parallel to the principal axis of a concave mirror will be reflected back so that it passes through the focal point. Any ray that is parallel will be reflected inward towards the center of the mirror.</span>