by murray | Jan 27, 2021 | Uncategorized
Lithium Atom Label the parts of the atom marked. a) b) c) d) Atomic Number Atomic number is the number of protons in a nucleus. The mass number is the number of protons plus the number of neutrons. If the atom is neutral the number of protons equals the number of...
by murray | Jan 27, 2021 | Uncategorized
Complete the following table to determine the frequency or period” PeriodFrequency10 s1250 s24 hours9.2 x 106 Hz5.9 x 1018 Hz Use the wave equation to find the frequency of the following electromagnetic radiation.N.B. Electromagenetic radiation travels at 3 x...
by murray | Jan 26, 2021 | Uncategorized
There are two major descriptions of wave motion. They are: Longitudinal waves and Transverse waves Light travels as a transverse wave, whereas sound travels in a longitudinal wave. The following tables illustrate the differences. Longitudinal Wave A vibrates in the...
by murray | Jan 24, 2021 | Uncategorized
Conduction:The transfer of heat from one part of a solid to another which is caused by particle collisionsbetween particles in the solid. Convection:The transfer of heat energy from one place to another by the transfer of material e.g. rising andfalling water....
by murray | Jan 24, 2021 | Uncategorized
AIMTo determine some of the phase changes for water. METHODUse a Bunsen burner to heat approximately 100 g of ice which is placed in a beaker. Record the temperature at regular intervals, e.g. every 30 seconds. N.B. Once the water is melted keep it well stirred....
by murray | Jan 24, 2021 | Uncategorized
Write down the energy equations for each of these situations.1. A camp fire ———-> _____________________________________________________2. A hydro electric dam ———-> _____________________________________________________3. A...
