Questions

If speed of rotation of the earth increases, the weight of the body

A sound of single frequency is called a

Which is the chief crop of Sri Lanka in which country is self-sufficient?

Which one among the following is not an electro­magnetic wave?

During the 1950's American consumers

Who invented the electric tram?

Pulitzer prize is given in the field of ______.

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

I (has been) fortunate to travel with interesting co-passengers