2009
The work done in extending a spring by 40mm is 1.52J. Calculate the elastic’constant of the spring.
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2009 NECO SSCE Physics Past Questions
2009
The electric potential at a distance d from a point charge q in air of permittivity eo is expressed as
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2009
Two images Y and X are formed by a plane mirror and a convex mirror respectively. Which of the following is correct about their characteristics?
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2009
Which of the following cells does not require a dipolar for effective and efficient delivery of current?
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2009
When a resistor of resistance R is connected across a.c. the terminal p.d. of the cell is reduced to three-quart its e.m.f. The cell’s internal resistance in terms of R is
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2009
The equation PxVyTz = Constant is Charles’ law if
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2009
An immersion heater is rated 1500W. How long does it take the heater to raise the temperature of 1 kg of water by 30°C? (Assume heat lost to the surrounding is negligible, Specific heat capacity of water 4200Jkg-1K-1)
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2009
A body executing simple harmonic motion has an angular speed of 2π radians. Its period of oscillation is (π 3.14).
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2009
Which of the following statements about a gas is NOT correct?
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2009
A sound wave from a ship is received 8.4s later. What is the depth of the sea? [Speed of sound in water = 1500ms-1]
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2009
A body accelerating will have a constant speed if it is
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2009
Which of the following statements about water is NOT correct?
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2009
The phenomenon of photoelectric effect is used in the following EXCEPT
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2009
An effort P applied at one end of a crowbar just overcomes the resistance W at the lid of a tin. The mechanical advantage of the crowbar is expressed as
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2009
Calculate the heat energy lost when 10g of boiling water changes to ice at 0°C. [Specific latent heat of ice 336Jg-1 . Specific heat capacity of water 4.2Jg-1 K-1]
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2009
Which of the following pairs of musical instruments produce sound due to the vibration of air column?
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2009
Which of the following statements is correct about light and sound waves? Both
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2009
Electric charges on the surface of a conductor would be most evenly distributed if the shape of the conductor is
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2009
The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth?
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2009
Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then
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