The primary cell is a
1). secondary cell?
2). ?primary cell
3). both (a) and (b)?
4). ?None of these
1. For which of the following game, players must have the knowledge of Pascal's law?
2. Which of the following is an example for cantilever beam?
3. The radiation initially produced in fluorescent tube is
4. Which of the following has the shortest wavelength?
5. Which of the following laws validates the statement that matter can neither be created nor destroyed
7. Which of the following scientific discoveries was made by C.V. Raman?
8. Woollen cloth protects the body from cold because
9. In a railway track, two rails are joined end to end with a gap in between them because