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PHYSICS 3
Question | Answer |
---|---|
WE CAN TRACE THE PATH OF ALPHA BETA GAMMA BY USING A.... | CLOUD CHAMBER- |
A CLOUD CHAMBER IS A ... | SMALL TRANSPARENT CONTAINING AIR SATURATED WITH VAPOUR AND MADE VERY COLD. IONISING PARTICLE HAVE TO LEAVE A VISIBLE TRAIL OF LIQUID DROPLETS. |
HOW WAS A POSITRON DISCOVERED ...IN 1932 CARL ANDERSON WAS USING A COLD CHAMBER AND A CAMERA TO PHOTOGRAPH TRAIL | PRODUCE BY COSMIC RAYS. HE DISCOVERED A BETA PARTICLE THAT SLOWED DOWN BUT BENT IN THE OPP DIRECTION TO ALL THE OTHER BETA TRAILS. HE MADE A DISCOVERY OF A POSITRON THE FIRST ANTIPARTICLES DISCOVER. |
WE CAN MEASURE FORCE USING... | NEWTON METERS FORCE SENSORS. |
WHEN SINGLE FORCE ACTS ON OBJECTS IT CHANGES... | ITβS MOMENTUM. (MASS X VELOCITY). |
WHEN 2 OBJECTS INTERACT THEY EXERT... | EQUAL AND OPP FORCE ON EACH OTHER. MOMENTUM IS TRANSFERRED BETWEEN THE OBJECT BY THESES FORCES IF NO OTHER FORCES ACT ON THEM. |
IF 2 PROTONS COLLIDE THEY... | REPEL EACH OTHER AND MOVE WAY. |
RICHARD FEYNMAN-USED A... | EM FORCE BETWEEN CHARGE OBJECTS DUES TO VIRTUAL PHOTONS . |
VIRTUAL BECAUSE .... | WE CANNOT SELECT THEM DIRECTLY. |
IF WE TRIED TO DETECT VIRTUALLY PROTONS ... | THEM WE WOULD STOP THE EM FORCE ACTING. |
THE VIRTUAL PHOTONS EXCHANGED... | BETWEEN 2 PROTONS REPRESENTED BY A WAVE. |
THE BALL TRANSFERS MOMENTUM FROM .... | THE THROWER TO THE CATCHER AND THEY REPEL EACH OTHER. |
THE EXCHANGE OF A VIRTUAL PHOTON.... | BETWEEN 2 LIKED CHARGE PARTICLES HAS SAME EFFECT.AS THROWER AND CATCHER. |
THE WEAK NUCLEAR FORCE THE STRONG NUCLEAR FORCE HOLDS THE.... | NEUTRON AND PROTONS TOGETHER IN NUCLEUS . |
BUT DOESN'T CAUSE THE NEUTRON TO CHANGE INTO PROTON IN BETA-) DECAY OR A PROTON TO CHANGE INTO NEUTRON IN BETA+) DECAY. | |
IN THE BETA+ AND β DECAY WHAT IS CREATED... | A NEW PARTICLE AND NEW ANTIPARTICLE ARE CREATED IN EACH TYPE OF DECAY. |
WHTA INTERACTIONS HAPPEN WITH ANTINEUTRINOS AND NEUTRINOS... | RARALY HAPPENS BUT ,THE NEUTRINO CAN INTERACT WITH NEUTRINO AND MAKE IT CHANGE INTO A PROTON. A B- PARTICLE (AN ELECTRON ) IS CREATED AND EMITTED AS RESULT. |
THE ANTINEUTRINO CAN INTERACT WITH... | A PROTON AND MAKE IT CHANGE INTO NEUTRON. A BETA+ PARTICLE (POSITRON) IS CREATED AND EMITTED. |
WHAT HAPS WHEN A NUETRINO INTERACT WITH NUETRINO ... | MAKESNUETRINO CHANGE INTO PROTON. BETA β E.G. ELECTRON EMMITED. |
WHAT CAUSES NUTRINO AND ANTINUETRINO INTERACTIONS ... | DUE TO EXCHANGE OF PARTICLES REFERRED TO AS BOSONS W. |
WHTA ARE BOSONS ... | EXCAHNGE PARTCILES . THEY HAVE A NON XERO REST MASS. |
WHTA IS THE REST MASS FOR X BOSON EXCHANGE PARTS/RANGE... | NO ZERO REST MASS. |
A SHORT RANGE NO MORE THAN 0.001FM. β | ARE POS CHARGED (W+BOSON) OR NEG CHARGED (W- BOSON). CHARGE IS CONSERVED. |
DISCOVERY OF W BOSON DETECTED USING ... | DIRECTLY IN 1983 BY SCIENTIST USING 2KM DIAMETER SUPER PROTON SYNCHROTRON AT CERN. |
PROTONS AND ANTIPROTONS AT VERY HIGH ENERGIES WERE MADE TO.... | COLLIDE AND ANNIHILATE EACH OTHER. THESES ANNIHILATION EVENTS PRODUCED W BOSONS AND PHOTONS. |