PHYSICS ONE LINER SET 10

PHYSICS ONE LINER SET 10

1. When does Super conductivity result? When matter is cooled to very low
temperature
 
2. When the temperature increases, what does the angle of contact of a liquid? Decreases
 
3. Which variety of glass is heat resistant? Pyrex glass
 
4. Why does the velocity of rain drop attain constant value? Viscous force exerted by air
 
5. If there were no atmosphere, what will be the length of the day on the earth? Decrease
 
6. The focal length of a convex lens is 50 cm. what is its power? +2 D
 
7. Which field is used to produce deflection in a television picture tube? A magnetic fields
 
8. If the Kinetic Energy of a body is increased by 300%, how much will its
momentum increase?
100%
 
9. What does a permanent magnet repel? Diamagnetic substances only
 
10. If the price of an inferior good falls, what about its demand? Remains constant