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Free download PDF of General knowledge(gk) multiple choice questions(mcqs) and answers on Physics. These general awareness quiz objective questions answers include important previous years mcqs of UPSC exams.
71
The tendency of liquid drop to contract and occupy minimum area is due to:
I. A geo-stationary satellite is at an approximate height of 10,000 km.
II. FM transmission of music is of very good quality because the atmospheric or man made noises which are generally frequency variations can do little harm.
Which of the statements give above is/are correct ?
81
A solid cube gets completely immersed in water when a 0.2 kg mass is placed on it. If the mass is removed, the cube is 2 cm above the water level. What is the length of each side of the cube ?
82
The mass of a body on earth is 100 kg (acceleration due to gravity, ge=10m/s2). If acceleration due to gravity on the moon is ge/6 , then the mass of the body on the moon is:
