The true value of the density of the glass is different from the answer in (b)(i) because of a systematic error in the measurements. Suggest one possible cause of this systematic error. ............................................................................................................................................... . ............................................................................................................................................... . .........................................................................................................................................

Physics

IGCSE&ALevel

CAIE

Exam No：9702_w24_qp_21 Year：2024 Question No：1(c)

Answer:

1.3.1 understand that the avogadro constant Na is the number of atoms in 0.012kg of carbon-12

1.3.2 use molar quantities where one mole of any substance is the amount containing a number of particles equal to the avogadro constant Na