5. the energy carried by an electromagnetic wave is also called.
a. thermal b. photons c. moments d. neutrons
6. which of the following is a work of hans christian oersted?
a.contributed in developing equations that showed the relationship of electricity and magnetism b.showed how a current carrying wire behaves like a magnet c.demonstrated the magnetic effect based on the direction of current d.formulated the principle behind electromagnetic induction
9.which of the following electromagnetic waves has the greatest frequency.
a. infrared b. microwave c. x-ray d. ultraviolet ray
10.considering that infrared is traveling in vacuum what would be the frequency of the wave if it has a wavelength of 9.375 x 10 ^-5 m?
a. 5.2 x 10 ^ 12 hz b 4.2 x 10 ^ 12 hz c. 3.2 x 10 ^ 12 hz d.2.2 x 10^ 12 hz
