Optical fibres, though bent in any manner, allows light to pass through. What is the inference that one can draw from it ?
The concept that light travels in straight path is wrong
Light can flow through the optical fibres
Light can travel through the fibres because of their ductility
Light can travel through the fibres due to multiple total internal reflections
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy