Questions

Which   one   of   the   following   is   not   a semiconductor?

The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

The current ______________ in global negotiations over climate change has stalled progress on the issue.

Fuse wire is made of an alloy of

____________________is a measure of the actual amount of water vapour in a particular sample of air: measured as a partial pressure.

Mona Lisa is painted on

The innermost layer is the core with a radius of about ___________ km.

Sullage water is_______