Which of the following principles is used in firing rockets?
Answer : B. Newton's third law of motion
A bucket immersed in water is felt lighter because of
Answer : C. Archimedes Principle
According to kepler's first law of planetary motion, planets move in
Answer : B. elliptical orbits
"Volume of a gas is inversely proportinal to pressure" this is
Answer : A. Boyle's Law
which of the following is correctly matched?
Answer : B. Lift of Aeroplane-Bernouli's principle
To find the temperature of the sun, the following law is used
Answer : B. Stefan's fourth power law of radiation