Questions

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.

Go north-east across the mountains till you will reach an island.

............ element is represented by the given symbol.

Covalent Bond is also called _________.

Choose the most appropriate answer:In which atmospheric layer are the communication satellites located?

Find the power of a convex lens if the image formed is at a distance of 20 cm from the lens when the object is placed on the other side of the lens at 25 cm from the optical centre?

A force of 200 N displaces a body by 4 m, calculate the work done (in J).

Who created the first mechanical computer, which proved to be the prototype for future computers?

Which one of the following statements is not correct in respect of the South Asian Association for Regional Cooperation (SAARC)?