Name three important discoveries of Physics. Which have revoltionised modern chemsitry.

Though India now has a large base in science and technology, which is fast expanding’ it is still a long way from realizing its potential of becoming a world leader in science. Name some important factors, which in your view have hindered the advancement of science in India.

Name the three basic perceptions that made science- Physics to progress.

Name three metals which occur in the native state in nature.

Name two Indian born physicists who have been awarded Nobel Prize in physics

Name the three different parts of a bacterial flagellum. Which of them is the longest portion?

“It is more important to have beauty in the equations of physics than to have them agree with experiments”. The great British physicist P. A. M. Dirac held this view. Criticize this statement. Look out for some equations and results in this book which strike you as beautiful.

What are alloys? Name an important alloy which contains some of the lanthanoid metals. Mention its uses.

Name a pair of physical qauantities having same dimensions .

Name three elements that have a single electron in their outermost shells.