2018
Answer Sheet
ANSWER SHEET QUESTION 2.1.5 CENTRE NUMBER EXAMINATION NUMBER Percentage imports and average growth of personal care and cosmetic products in Australia
Question 11
The threshold frequencies of caesium and potassium metals are given in the tablebelow. 11.1 Define the term work function in words. (2) 11.2 Which ONE of the two metals in the table has the higher work function?Give a reason for the answer by referring to the information in the table. (2) The simplified diagrams below … Read more
Question 12
Consider the circuit diagram below. The internal resistance of the battery and anyresistance in the wires can be ignored.
Question 11
A SQUARE induction coil with a side length 3 cm and 400 windings, is placedperpendicularly in a uniform magnetic field and then rotated through an angle of 45ºin 0,08 s. An emf of 7 V is induced in the coil. 11.1 State Faraday’s law of electromagnetic induction in words. (2) 11.2 Calculate the change in … Read more
Formulas
DATA FOR PHYSICAL SCIENCES GRADE 10PAPER 2 (CHEMISTRY)GEGEWENS VIR FISIESE WETENSKAPPE GRAAD 10VRAESTEL 2 (CHEMIE) TABLE 1: PHYSICAL CONSTANTS/TABEL 1: FISIESE KONSTANTES TABLE 2: FORMULAE/TABEL 2: FORMULES TABLE 3: THE PERIODIC TABLE OF ELEMENTS/TABEL 3: DIE PERIODIEKE TABEL VAN ELEMENTE
Question 10
The diagram below shows how the hydrosphere is linked to the biosphere. Study thediagram and answer the questions that follow. 10.1 Differentiate between the hydrosphere and biosphere. (2) 10.2 Write down the name of process: 10.2.1 A (1) 10.2.2 B (1) 10.2.3 C (1) 10.3 Describe the energy changes during processes A and B. Write … Read more