Q. A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke's law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity

• (A) Same as that of A
• (B) One fourth as that of A
• (C) Twice as that of A
• (D) Four times as that of A