The correct answer is B
What is the principle behind the operation of a washing machine?
Which of the following types of coal is called a brown coal among the following?
Who discovered the neutrons?
The sky appears blue because of –
Which one of the following is responsible for nuclear fission?
Alternating current is converted into direct current by a –
Division of Agricultural Meteorology at Pune was established in:
The sky appears blue, because
Which polymer is used in the production of bullet-proof materials?
Shadows are formed when a/an _______ object comes in the path of light.