People, such as pilots, who have to move quickly from lighted surroundings to night darkness use red light illuminatin. This is because
red light slows down dark adaptation.
red light is a stimulating color and tends to keep pilots and military personnel
aroused and alert.
the cones are insensitive to red light.
the rods are insensitive to red light.

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.