DO YOU KNOW?

1. Swimming is possible on account of -----NEWTON'S THIRD LAW OF MOTION
2. Blood pressure of a healthy person is-----120/80
3. Soil erosion can be prevented by------PLANTING TREES
4. All radiations in a black body are ------ABSORBED
5. In semiconductor terminology, the doping is a process of------INCREASING IMPURITY PERCENTAGE
6. The ratio between the stress produced by gradually applied and suddenly applied load is---1/2
7. Writing pencil contains ------GRAPHITE
8. DPT is used to prevent------DIPTHERIA
9. Heating element of electric heater is made from ----NICHROME
10. Which comet appears every 76 years----HAILEY'S
11. An ordinary transformer works on ---AC ONLY
12. The simple interest and compound interest are equal iff---INTEREST IN COMPOUNDED ANNUALLY AND TIME IS ONE YEAR
13. Which acid cause cramps in our muscles---LACTIC ACID
14. Falling drop of water become sphere due to the property of---SURFACE TENSION OF WATER
15. Stainless steel resists corrosion due to -----CHROMIUM