Definitions

Question 1

ABSOLUTE MAGNITUDE

Answer 1

aka luminosity and is on the y-axis of the HR diagram

Question 2

AETHER

Answer 2

EDIT

Question 3

ALPHA PARTICLE

Answer 3

CONSISTS OF TWO PROTONS AND TWO NEUTRONS AND IS EJECTED FROM THE NUCLEUS OF A RADIOACTIVE NUCLIDE

Question 4

ANNIHILATION

Answer 4

PROCESS BY WHICH MATTER IS COMPLETELY CONVERTED INTO ENERGY

Question 5

ANODE

Answer 5

POSITIVELY CHARGED ELECTRODE

Question 6

ANTIMATTER

Answer 6

SAME MASS BUT OPPOSITE PROPERTIES

Question 7

APHELION

Answer 7

POINT OF ORBIT FURTHEST FORM THE SUN

Question 8

APPARENT BRIGHTNESS

Answer 8

based around the sun, negative values are brighter

Question 9

APPARENT WEIGHT

Answer 9

NO NORMAL REACTION FORCE ACTING BETWEEN AN OBJECT AND SURFACE

Question 10

BARYON

Answer 10

COMPOSITE PARTICLE COMPOSED OF THREE QUARKS EG PROTON AND NEUTRON

Question 11

BETA PARTICLE

Answer 11

ELECTRON OR POSITRON EJECTED FORM THE NUCLEUS

Question 12

BIG BANG THEORY

Answer 12

gamow’s theory,space-time is expanding and matter is not being created, it was already there

Question 13

BINDING ENERGY

Answer 13

ENERGY REQUIRED TO SPLIT A NUCLEUS INTO ITS SEPERATE NUCLEONS

Question 14

BLACK BODY

Answer 14

DOES NOT REFLECT RADIATION

Question 15

BLACK HOLE

Answer 15

COLLAPSED STAR SO MASSIVE THAT NOT EVEN LIGHT CAN ESCAPE ITS GRAV. FIELD

Question 16

BLUESHIFT

Answer 16

CHANGE OF FREQUENCY WHERE THE SOURCE OF THE WAVE MOVES TOWARDS THE OBSERVER

Question 17

REDSHIFT

Answer 17

MOVING AWAY FROM OBSERVER

Question 18

CONSTRUCTIVE INTERFEARENCE

Answer 18

PROCESS IN WHICH TWO OR MORE WAVES OF THE SAME FREQUENCY COMBINE TO RIENFORCE EACH OTHER

Question 19

COULOMB

Answer 19

1C = 6.2X10^18 PROTONS

Question 20

DRIVING FREQUENCY

Answer 20

FREQUENCY THAT AN OBJECT IS EXPOSED TO. WHEN THIS EQUALS THE RESONANT FREQUENCY, RESSONANCE OCCURS

Question 21

ELECTROMAGNETIC INDUCTION

Answer 21

CREATION OF AN ELECTRIC CURRENT OR EMF IN A LOOP OF WIRE AS A RESULT OF CHANGING THE MAGNETIC FLUC THROUGH THE LOOP

Question 22

ELECTROMAGNETIC RADIATION

Answer 22

ENERGY EMITTED IN CONTINUOUS WAVES WITH TWO TRANSVERSE, MUTUALLY PERPENDICULAR COMPONENTS

Question 23

EMF

Answer 23

ELECTROMOTIVE FORCE

Question 24

FARADAYS LAW

Answer 24

AVERAGE EMF GENERATED IN A COIL IS PROPORTIONAL TO THE RATE OF CHANGE OF MAGNETIC FLUX AND THE NUMBER OF TURNS IN A COIL

Question 25

FISSION

Answer 25

WHEN A NUCLEUS SPLITS INTO TWO OR MORE PIECES AFTER BEING BOMBARDED WITH NEUTRONS

Question 26

FUSION

Answer 26

PROCESS TAKING PLACE INSIDE STARS IN WHICH SMALL NUCLEI ARE FORCED TOGETHER TO MAKE LARGER NUCLEI THAT RELEASES ENEGRY

Question 27

GAMMA RAY

Answer 27

HIGH ENERGY ELECTROMAGNETC RADIATION EJECTED FORM THE NUCLEUS OF A RADIOACTIVE NUCLEIDE

Question 28

GEOSTATIONARY SATELITE

Answer 28

SAME PERIOD AS EARTH AT 36000KM ABOVE EARTH ALWAYS IN SAME PLACE

Question 29

GIANT/SUPERGIANT

Answer 29

LARGE, BRIGHT, NON-MAINSEQUENCE STARWITH SHORT LIFETIME DUE TO FAST RATE OF FUSION

Question 30

HEINSENBERG’S UNCERTAINTY PRINCIPAL

Answer 30

CONCEPT THAT ANY MEASUREMENT OF AN ENERGY SYSTEM CREATES A DISTURBANCE OF THE SYSTEM RESULTING IN UNCERTAINTY

Question 31

HR DIAGRAM

Answer 31

RESEARCH

Question 32

HEAT EXCHANGER

Answer 32

PART OF NUCLEAR REACTOR WHERE HEAT DRAWN FROM THE REACTOR CORE IS USED TO TURN WATER INTO STEAM

Question 33

HYDROSTATIC EQUILIBRIUM

Answer 33

FOR MAJORITY OF THE LIFE OF A STAR, THE GRAVITATIONAL FORCE FROM THE MASS OF THE STAR IS IN BALANCE WITH THE GAS PRESSURE DUE TO ENERGY GENERATION IN THE CORE OF THE STAR

Question 34

INFLATION

Answer 34

PERIOD OF TIME IN THE EARLY UNIVERSE THAT LASTED 10^-24 SECONDS WHERE THE SIZE OF THE UNIVERSE EXPANDED AROUND 10^50 TIMES ITS ORIGINAL SIZE

Question 35

ISOTOPE

Answer 35

SAME NUMBER OF PROTONS BUT DIFFERENT NUMBER OF NEUTRONS

Question 36

LENZ’S LAW

Answer 36

LAW STATING TAHT THE DIRECTION OF THE INDUCED CURRENT IN A CONDUCTOR IS SUCH THAT ITS ASSOCIATED MAGNETIC FIELD OPPOSES THE CHANGE IN FLUX THAT CAUSED IT