2001
Ice cubes are added to a glass of warm water. The glass and water are cooled by
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2001 NECO SSCE Physics Past Questions
2001
Which scientist discovered natural radioactivity?
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2001
50cm3 of air at a pressure of 5Nm-2 is enclosed in a metal tube by a piston. If the piston is pushed in a distance of 10cm, what will the pressure of the air become, if the cross-sectional area of the tube is 2cm-2? (Ass…
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2001
The invisible part of the spectrum of white light consists of
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2001
N.N.P.C. gas cylinder containing 15kg of cooking gas was left open, and the gas emptied in 3.8 minutes, at an average speed of 20 ms-1. What force was exerted on the gas in the cylinder?
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2001
What is X in the equation given below? 42He + 94Be → 126C + X
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2001
What is the energy stored in a 10μ F capacitor if the potential difference between the plates is 40 V?
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2001
The statement that the mechanical advantage of a machine is 3 means that the
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2001
Which is a stringed Instrument?
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2001
Which statement about the concept of temperature is NOT true?
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2001
An object placed 15cm from a converging lens forms a real image whose magnification is 2.0. What is the focal length of the lens?
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2001
A body whose initial velocity is u is uniformly accelerated to a final velocity v in t seconds. If the distance travelled is s, and the acceleration is a, which equation is INCORRECT for the motion of the body?
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2001
A metal has a work function of 3.0 eV. What is the threshold frequency of the metal when electrons are just liberated from the metal.(1 eV = 1.6 × 10-19J; h = 6.6 × 10-34Js)
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2001
A lead-acid accumulator is used in preference to a dry battery in a car because
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2001
What gives rise to the line spectra observed in atoms?
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2001
How much heat is required to convert 5.0g of ice at 0 ° C to water at the boiling point? (Specific latent heat of ice = 336Jg-1 specific heat capacity of water = 4.2Jg-1K-1)
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2001
A 220 V, 60 Hz alternating current supply is connected to an inductor of 3.5H. What is the current passing through the inductor?
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2001
Which statement is a correct consequence of the uncertainly principle?
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2001
A cell can supply currents of 0.60 A and 0.30 A through a 2.0 ω and a 5.0 ω resistor respectively. What is the internal resistance of the cell?
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2001
Which material is best for making a permanent magnet?
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