Question
A milkman attempts to understand if by displaying a
large sign board labelled "buy two get one free"Â scheme on one litre milk will result in an increase in sales. This farmer is undertaking what type of research?Solution
Causal research is research designed to identify cause-and-effect relationships among variables.
What term describes the rate of change of velocity?Â
Which metal exhibits the highest electrical conductivity among the following?
One Kilowatt hour is equal to—
Which Instrument is used to measure depth of ocean?
In a coil with n turns, what happens to the induced electromotive force (EMF) if the number of turns is doubled while the magnetic flux remains constant?
 Photovoltaic cells are:Â
What is the SI unit for measuring speed?
Electrical fuse is used to interrupt excess of _________.
Which compound is used to prepare water proof clothes?
Which of the following instruments is used to measure humidity?