1988
Which of the following statments about radiant heat is/are correct?I. radiant heat cannot travel through a vaccumII. rough surfaces emit radiant heat more than polished surfacesIII. Dark surfaces absorb radiant heat more…
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1988 WAEC SSCE Physics Past Questions
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1988
In which of the following is the expansion of solids a disadvantage?
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1988
The velocities of light in air and glass are 3.0 x108ms-1 respectively. Calculate the sine of the angle of incidence that will produce an angle of refraction of 30 for a ray of light incident on glass.
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1988
A transparent rectangular block 5.0cm thick is placed on a black dot. The dot when viewed from above is seem 3.0cm from the top of the block calculate the refractive index of the material of the block.
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1988
Which of the following statements is/are not correct about image formed by a plane mirror?I. The magnification produced is 1II. The image distance is same as the object distanceIII. The image is realIV. The image is late…
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1988
Which of the following will affect the saturation vapour pressure of a liquid?
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1988
Which of the following instrument may be used to measure the relative humidity?
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1988
A source of sounds produces waves in air of wavelength1.65m. If the speed of sound in air is 330ms-1 the period of vibration in seconds is
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1988
The ability of the eye to focus objects at different distances is called
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1988
An object is placed 36cm from a converging lens of focal length 24cm.If a real image which is 4cm high is formed, Calculate the height of the object.
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1988
If the leaves a positively charged electroscope collapse completely as an object is brought near the cap of the electroscope, the objects possesses
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1988
A sounding tuning fork is brought near the end of a pipe containing an air column and the loudness of the sound increases. This effect is due to
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1988
A boy standing a distance from the foot of a tall cliff claps his hands and hears an echo 0.5s later. If the speed of sound is 340ms1, how far is he from the cliff?
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1988
A lamp is marked 220V 60 W. Calculate the energy it would consume when connected to a 220V source for 1 hour.
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1988
Two parallel conductors carry equal currents in the same direction. Which of the following statement is not a correct observation?
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1988
A battery of emf 24V and internal resistance 4Ω is connected to a resistor of 32Ω. What is the terminal p.d of the battery?
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1988
A cell can supply current of 0.8A and 0.4A through a 2Ω and a 3Ω resistors respectively. Calculate the internal resistance of the cell.
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1988
When sugar at the bottom of a glass of water gradually dissolves, the water level does not change applicably. Which of the following statements best describe this?
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1988
Which of the following particles of ray has the highest penetrating power?
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1988
Calculate the resistivity of a wire of length 2m and cross-sectional area 0.004cm2 if the resistance is 3.0 Ω.
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