Because there cannot be orderly marching
To prevent any occurrence of resonance with the bridge
To prevent any formation of sharp echo
To prevent the bridge from executing forced vibrations WAVE BEHAVIOUR
While passing over an obstacle a light ray slightly bends round the corner. The phenomenon is known as_:
White light is made up of seven colours. What is the method of separating the colours?
Who among the following coined the term тАХcosmic raysтАЦ ?
Who among the following discovered the atom bomb -
Who among the following invented the refrigerator?
Who defined the law of gravitation ?
Who gave the first evidence of Big bang theory?
Who initially gave the idea of laser (without using the acronym)?
Who invented air conditioning?
Who invented Dynamite?