Science - Physics (Modern Physics)

Question 1

the mass is nucleus is heavier than all the protons and neutrons that make it up

Answer 1

mass defect

Question 2

what does the mass defect tell us?

Answer 2

represents the energy in the bonds holding the nucleus together

Question 3

atoms nucleus could spontaneously disintegrate while giving off energy in the form of alpha and beta particles and gamma rays

Answer 3

radioactivity

Question 4

spontaneous change in the nucleus of an atom

Answer 4

radioactive decay

Question 5

transmutation

Answer 5

conversion of one element into another element

Question 6

nuclear reaction

Answer 6

when a radioactive nucleus goes through a transmutation

Question 7

what are the two main processes of nuclear reaction?

Answer 7

fusion

fission

Question 8

the nuclei of several light atoms combine to form a single heavy nucleus with a release of energy

Answer 8

fusion

Question 9

a heavy nucleus splits into two main pieces with the release of a huge amount of energy

Answer 9

fission

Question 10

asserts that behavior of light is actually an interesting combination of particles and waves

Answer 10

quantum mechanics

Question 11

what is the example that illustrates the wave-particle duality in quantum mechanics

Answer 11

photoelectric effect

Question 12

ionization

Answer 12

atom loses an electoral and becomes an ion

Question 13

who came up with the theory of relativity

Answer 13

albert einsten

Question 14

what year was the theory of relativity made up

Answer 14

1905