clouds
lightning
winds
humidity
The name of instrument used to see the distant objects on the Earth is
The nature of fuse wire is
The nature of light waves is similar to
The Newtons 1st Law is also called as
The normal threshold of hearing is around
The nuclear particle having no mass & no charge, but only spin is
The nuclear particles that are assumed to hold nucleons together are
The number of waves per second in a sound is called _ of that sound.
The oil in the wick of a lamp rises up due to
The oil in the wick of an oil lamp rises up due to
