The Millikan experiment showed that electric charge was:

Q-1;  The Millikan experiment showed that electric charge was:

1) negative
2) quantized
3) positive
4) unmeasurable
ANSWER: 1 -- QUANTIZED

Q-2;  When a metal becomes a superconductor, there is a tremendous decrease in its:

1) total volume
2) electrical resistance
3) length
4) density
ANSWER: 2 -- ELECTRICAL RESISTANCE

Q-3;  An x-ray photon collides with a free electron, and the photon is scattered. During this collision there is conservation of:

1) momentum but not energy
2) neither momentum nor energy
3) energy but not momentum
4) both momentum and energy
ANSWER: 4 -- BOTH MOMENTUM AND ENERGY

Q-4;  In the sun, helium is produced from hydrogen by:

1) radioactive decay
2) disintegration
3) fission
4) fusion
ANSWER: Z -- FUSION