Q7 of 33 Page 460

The nuclear fuel in the sun is:

sun is the ultimate source of energy for earth. The energy of sun is produced by continuous fusion of Hydrogen nuclei to form Helium nucleus. Thus, nuclear fuel in sun is HYDROGEN.

More from this chapter

All 33 →
5

Choose the only renewable source of energy from the following:

 6

The longest and the shortest wavelengths (in micron) for red and violet light are respectively:

 8

Minimum velocity of wind required for a functional windmill is about:

 9

The temperature difference required up to a water level difference of 1000 m for operating an OTEC system is: