Nuclear fusion in the sun is increasing its supply of:
A. Hydrogen
B. Helium
C. Nucleons
D. Positrons
Helium shows negative Joule Thomson effect due to its:
A. Low viscosity
B. Inert nature
C. Resistance to polarize
D. Low density
Star are made of cloud of _________ and __________.
A. Hydrogen-Helium
B. Nitrogen-Helium
C. Hydrogen-Helium
D. None of these