(a) What is the frequency of an EM wave that has a wavelength of 1 millimeter? (b) What type of EM wave is this?
(a) 3 × 10^11 Hz, (b) microwave
You might also like to view...
A proton and an alpha particle are moving perpendicular to a uniform magnetic field with the same speed. If the velocity of the proton is at an angle of 20° with respect to the magnetic field direction, at what angle to the magnetic field direction would the alpha particle be moving if it experiences the same magnitude acceleration as the proton? The alpha particle has 4 times the mass of the
proton and twice its charge. a. 43° b. 10° c. 62° d. 9.8°
To recharge a 12-V battery, a battery charger must move 3.6 × 10^5 C of charge from the negative to the positive terminal. What amount of work is done by the battery charger? How many kilowatt hours is this?
What is the ground-state valence-shell electron configuration of the group of elements indicated by the shaded portion of the periodic table?
A)ns2
B)ns2np2
C)ns2(n-1)d2
D)ns2(n-2)f2
Superposition of waves can occur
A. in transverse waves. B. in longitudinal waves. C. in sinusoidal waves. D. in all of the above. E. only in (a) and (c) above.