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The mass defect of a nucleus of carbon-13 is 0.100956 u. What is the mass defect per nucleon?

• 0.016826 u

• 0.014422 u

• 1.312428 u

• 0.007766 u

How are electromagnetic waves different from other waves?

• They transmit energy instead of matter

• They have short wavelengths

• They can travel through empty space

• They have high wavelenghts

Definition: Crest

• The highest point of a transverse wave

• The center of a transverse wave

• The lowest point of a transverse wave

• the distance between two points

Has the symbol

• beta

• alpha

• gamma

The type of radioactive ray that will penetrate into a material is a(n) __________. It is the most dangerous radioactive ray because of this.

• beta

• alpha

• gamma

• all of these

Which of the following is the speed of a wave traveling with a wavelength, frequency f and period T

• v= wavelength divide f

• v=wavelength times f

• v=f times t

• v = f divide t

You have 100 grams of radioactive C-14. The half life of C-14 is 5730 years. How many grams are left after 1 half life

• 100 g

• 2 g

• 25 g

• 50 g

Imagine you have 50,000 atoms of uranium-238. If U-238 has a half-life of 4.5 billion years, how many U-238 atoms will be left after 4.5 billion years?

• 12,500

• 0

• 25,000

• 50,000

Which wave has the shortest wavelength?

• Red

• Orange

• Green

• Violet

The least penetrating type of radiation

• alpha particle

• beta particle

• gamma ray