Question

2. Here,
ang
= 1-5, i = 30°, r = ?
sin i
ang
From
sin r
sin i
sin 30°
1.5
1/2
1.5
sin r =
= 0-3333
ang​

Answer 1

Explanation:

Purified water is water that has been filtered or processed to remove impurities like chemicals and other contaminants. It is usually produced using groundwater or tap water. Through purification, many types of impurities are removed, including ( 1 ): Bacteria.