Category: GRADE 11 PHYSICAL SCIENCES

GRADE 11 P2 MARCH 2020


CALCULATING THE GRADIENT GRADE 11


INTERMOLECULAR FORCES


Waves,Sound & light


QUESTION 1 A diamond glitters in light because of its high refraction index of 2,42 and the small critical angle of the diamond-air boundary. 1. Calculate the critical angle of a diamond-air interface. Take the refraction index of air as 1. (4) The angle…

Test yourself GR11


Consider the following molecules and answer the questions that follow. A.NH3 B.CO2 C.C2H2 D.H20 E.BH3 Which molecule: 1.1.1 Contains a triple bond? [1] 1.2 Is trigonal planar? [1] 1.3 Is angular in shape and contains a centre atom with two lone pairs? [1] 2.Which…

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