Lecture 2

Question 1

DEFINE ELECTROMAGNETIC RADIATION

Answer 1

MVMNT OF ENERGY THROUGH SOACE

COUPLING OF ELEX AND MAGNEX WAVES

Question 2

LAMDA IS WHAT

Answer 2

LLAMDA IS WAVELENGTH

Question 3

DEFINE FREQUENCY

Answer 3

FREQUEMCY OS CYCLES PER SECOND

Question 4

HERTZ IS WHAT

Answer 4

HERTZ IS One cycle per second

Question 5

HI LADDER RANGE IS

Answer 5

Hi f
SHORT LAMDA
HI ENERGY

Question 6

LLO LADDER RANGE

Answer 6

Lo f
LONG LAMDA
LO ENERGY

Question 7

SPEED OF SOUND IS WHAT

Answer 7

PROP TO SQR ROOT BULK MODULUS OF MEDIUM
PROP TO DENSITY
INV. PROP TO TEMP