PHYSICS P1

WHAT ARE WAVES?

WHAT IS A WAVELENGTH?

WHAT IS THE UNIT OF FREQUENCY WAVE IS MEASURED IN?

INFRARED RADIATION IS ENERGY TRANSFER BY...

WHAT MATERIALS ARE THE BEST EMITTERS?

WHY ARE NON-METALS POOR CONDUCTORS?

CONDUCTION OCCURS MAINLY IN WHAT STATE?
A. SOLID
B. LIQUID
C. GAS

WHAT IS CONVECTION?

... IS WHEN A GAS TURNS INTO A LIQUID

WHAT ARE MICROWAVES USED FOR?

WHAT ORDER DOES THE ELECTROMAGNETIC SPECTRUM GO IN?

WHAT IS THE EQUATION FOR WAVE SPEED?

WHAT ARE THE RENEWABLE FUELS?

GEOTHERMAL ENERGY
ADVANTAGES

- RENEWABLE
- NO POLLUTION
- DOESNT DAMAGE THE ENVIRONMENT

HYDROELECTRIC ENERGY
ADVANTAGES

- RENEWABLE
- NO POLLUTION
- WE CAN STORE THE WATER UP

BIOMASS ENERGY
ADVANTAGES

- RENEWABLE AS LONG AS WE KEEP PLANTING TREES
- NO SPECIAL EQUIPMENT NEEDED
- DOESNT ADD TO THE GREENHOUSE EFFECT

TIDAL ENERGY
ADVANTAGES

- RENEWABLE
- NO POLLUTION NOTHING GET BURNED
- RELIABLE BECAUSE THERE ARE ALWAYS TWO TIDES A DAY

WAVE ENERGY
ADVANTAGES

- RENEWABLE
- NO POLLUTION NOTHING GETS BURNT

WING ENERGY
ADVANTAGES

- RENEWABLE
- NO POLLUTION NOT GETS BURNED
- TURBINES ARE QUITE CHEAP SO USED IN POORER COUNTRIES

SOLAR
ADVANTAGES

- RENEWABLE
- NO POLLUTION NOTHING GETS BURNED

WHITE LIGHT CONTAINS ALL THE COLOURS ON THE SPECTRUM?
TRUE OR FALSE?

WHAT IS A SOLAR CELL?

WHAT TO WORK OUT THE EFFICIENCY?

WHAT IS THE RED SHIFT?

WHAT IS THE BLUE SHIFT?