Q2. Why does the poet call youth 'fickle' friend. (a) It is short-lived (b) It is stubborn (c) It is sad (d) It is an al

Q5. What is the theme of the poem?

Q6. The main work of large mirror or receiving collectors in the thermal solar power is to.

Q7. Select the technology that the largest Solar farm. Waldpolenz Solar Park. Germany uses to produce electricity.