
Grade 12th pass10 grade science
Cryogenic engines find applications in
A. Rocket-technology
B. Frost-free refrigerators
C. Submarine propulsion
D. Researches in superconductivity
Cryogenic engines find applications in
A. Rocket-technology
B. Frost-free refrigerators
C. Submarine propulsion
D. Researches in superconductivity




