Sectional test
Physics (Prelims GS) Test 12
- 25 questions
- 20 minutes
- +1 right · −0.25 wrong
- 0 students ranked
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First questions
- The force of buoyancy on an object floating on water is F, while it is S on an object that sinks in water. The weight of both the objects is W. Which one of the following is always true?
- By dropping a sphere of 30 cm radius into a cylindrical vessel of 80 cm diameter which is partly filled with water, its water level rises by x cm. Then what would be value of x?
- A boat running upstream takes 6 hours 30 minutes to cover a certain distance, while it takes 3 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current, respectively?