PHYSICS ONE LINER SET 11

PHYSICS ONE LINER SET 11

1. A fan produces a feeling of comfort during hot weather. Why? Our perspiration evaporates rapidly
 
2. Why is the gas thermometers is more sensitive than the liquid thermometer? Expand more than liquids
 
3. Which is the correct device for the detection of thermal radiation? Thermopile
 
4. The pressure at the bottom of a liquid tank does not depend on which area? Area of the liquid surface
 
5. With the rise of temperature, what will be the surface tension of a liquid? Decreases
 
6. Total internal reflection can take place when light travels from which thing? Diamond to glass
 
7. The refractive index of a given piece of transparent quartz is greatest for which light?
Violet light
 
8. Long distance short-wave radio broad casting uses which waves? Ionospheric wave
 
9. Recoil of a gun is an example of which thing? Conservation of linear
momentum
 
10. The tendency of liquid drop to contract and why does it occupy minimum area? Due to Surface tension