For an X-Ray Tube to Produce X Rays with a Wavelength

question 33

Multiple Choice

For an X-ray tube to produce X rays with a wavelength as short as 0.025 nm,the electrons must be accelerated by a potential difference of

• A)550 kV
• B)0.25 V
• C)500 kV
• D)50 kV
• E)1 V

---

Definitions:

Tunicates

Chordates belonging to subphylum Urochordata; sea squirts.

Tadpoles

The aquatic larval stage of amphibians, especially frogs and toads, characterized by gills, a tail, and a later transition to the adult form.

Tunic

In a biological context, a fibrous or cellular covering layer, such as that surrounding certain seeds or the body of sea squirts and other invertebrates.

Adult Tunicates

Marine invertebrates that are members of the subphylum Tunicata; they are sessile as adults and have a sac-like body covered with a tunic.