PHYSICS - Trial Paper Collection

papercollection14(c)Based on the answers to 6(b)(i) and 6(b)(ii), compare the decay rates ofradioactive substance X and radioactive substance Y.Hence state the relationship between decay rate and half life.Berdasarkan jawapan-jawapan kepada 6(b)(i) dan 6(b)(ii), banding kadarpereputan bagi bahan radioaktif X dan bahan radioaktif Y.Seterusnya, nyatakan hubungan antara kadar pereputan dan separuh hayat.………………………………………………………………………………………………………………………………………………………………………………[2 marks](d) Give a reason why the readings of the ratemeters did not drop to zero afterradioactive substance X and radioactive substance Y were removed.Beri satu sebab mengapa bacaan-bacaan meter kadar itu tidak kembali ke sifarselepas bahan radioaktif X dan bahan radioaktif Y dikeluarkan.………………………………………………………………………………………[1 mark]