Which of the following statements about X-rays and radio waves is not true?
A) X-rays have shorter wavelengths than radio waves.
B) X-rays and radio waves are both forms of light, or electromagnetic radiation.
C) X-rays have higher frequency than radio waves.
D) X-rays have higher energy than radio waves.
E) X-rays travel through space faster than radio waves.
E
You might also like to view...
In the four radioactive series, the nuclei decay by either emitting alpha particles or beta particles until they reach the stable end product. Each decay, therefore, results in a mass number change of either 4 (for alpha decay) or 0 (for beta decay). The radium isotope 226Ra is in one of these series. What is the starting isotope in the series containing 226Ra?
a. 238U b. 235U c. 232Th d. 237Np
If a 500-W heater carries a current of 2.00 A, what is the voltage across the ends of the heating element?
a. 2000 V c. 0.008 V b. 125 V d. 250 V
A 400-m tall tower casts a 600-m long shadow over level ground. At what angle ? is the sun elevated above the horizon?
A) 33.7° B) 41.8° C) 48.2° D) 65.1° E) Can't be found; not enough information.
Ellen places an object 48.4 cm from a concave lens. If a virtual image appears 24.6 cm from the lens on the same side as the object, what is the focal length of the lens?
a. –16.3 cm b. –50.0 cm c. 732 cm d. –23.8 cm e. –36.5 cm