The washing machine works on the principle of
A). Dialysis
B). Diffusion
C). Reverse osmosis
D). Centrifugation
Centrifugation
A washing machine by spinning at 800-1600 rpm helps soap and dirt with it to leave the surface of the cloth via centrifugal force and into outlet pipes hence utilizing centrifugation to both clean and partially dry the clothes loaded in it.
1. In very cold countries alcohol is used as a thermometric liquid because
2. The damage of the human body due to radiation (X-rays or gamma rays etc) is measured in :
3. For which of the following game, players must have the knowledge of Pascal's law?
4. Which tube used to produce X-ray?
6. Global warming is expected to result in
7. The phenomenon which causes mirage is
8. Who among the following in the current Chief Election Commissioner (CEC) of India?
9. Which planet is also referred to as a 'Dwarf planet'?
10. Which of the following devices can be used to detect radiant heat ?