The land mass of India has an area of ______ million square km.
1). 1.28
2). 2.28
3). 3.28
4). 4.28
1. A concave lens always forms an image which is
2. The electrical domestic tube light gives white fluorescent light because of
4. In which of the following industries is mica as a raw material?
5. Cupric point is the temperature at which
6. The velocity of sound is more of
7. Who defined the law of gravitation?
8. An atom bomb based upon the principle of ________