2009/2010 UNN Physics Post-UTME
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The amount of energy released when 0.5kg of uranium is burnt completely isCorrectIncorrect
A body of mass 50kg slides down freely in a frictionless plane which is inclined at an angle of 300 to the horizontal. What force is pushing the body down the incline?CorrectIncorrect
A barometer can be used in determining the length of a I. mountain II.
Depth of a mine III. Dew point. Which of the following is/are correct?CorrectIncorrect
Which of the following colours of surfaces will radiate heat energy?CorrectIncorrect
Which of the following is true for the image formed by a convex mirror?
I. The image is always virtual
II. The image is always erect
III. The image is never magnified
IV. The image is magnified
V. The focal length is negative.CorrectIncorrect
22,000J of heat is required to raise the temperature of 1.5kg of paraffin from 20ºC TO 30ºC. The specific heat capacity of paraffinCorrectIncorrect
A ball of mass 0.5kh moving at 10ms-1 collides with another ball of equal mass at rest, if the two balls move together after the impact, calculate their common velocity.CorrectIncorrect
If the temperature of a small quantity of water in a closed container is gradually increased from 00C to 400C then the density of water within this rangeCorrectIncorrect
One of the properties of gamma rays is that they areCorrectIncorrect
At thin converging lens has a power of 4.0 diopters, determine its focal lengthCorrectIncorrect