For the sake of fashion
To reduce the glare
To improve resolving power of the eyes
None of the above
Why do birds not have respiratory trouble at the time of flying at high altitude ?
Why does a cannon recoil after firing -
Why does ice covered in sawdust not melt quickly ?
Why laser is used in the pipe alignment?
Why the needle of iron swims on water surface when it is kept gently -
Why two thin shirts can keep us warmer than a single thick shirt in winter ?
Wireless transmission can be done via
With increase of temperature, the frictional force acting between two surfaces
With reference to a swinging pendulum, which among the following statements is correct when it is at bottom (middle of arc)?
With the increase of pressure, the boiling point of any substance