1987 JAMB UTME Physics Past Questions

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1987

A wave has a frequency of 2Hz and a wavelength of 30cm. The velocity of the wave is

1987

Calculate the amount of heat required to convert 2kg of ice at 2oC to water at 0oC. [specific heat capacity of ice = 2090Jkg-1oC-1, specific latent heat of fusion of ice = 333kJkg-1]

1987

Which of the following phenomena explains the fact that a house whose roof is coated with white paint will be cooler in the hot season than one coated with black paint ?

1987

An object 3.0cm high is placed 60.0cm from a converging lens whose focal length is 20.0cm. Calculate the size of the image formed

1987

If an object is placed in front of two mirrors inclined at 90o, how many images will be formed?

1987

When the length I of a piece of wire under constant tension is varied, the relationship of the frequency of the vibration f\(\alpha\)/ is

1987

Which of the following statements supports the assumption that light travels in straight lines?

1987

The lowest note emitted by a stretched string has a frequency of 40Hz. How many overtones are there between 40Hz and 150Hz?

1987

Two capacitance of 6\(\mu\)F and 8\(\mu\)F are connected in series. What additional capacitance must be connected in series with this combination to give a total of 3\(\mu\)F

1987

If the angle of declination in a place is 10oE, calculate the true geographic bearing if the compass reads N40oE

1987

Four lenses are being considered for use as a microscope objective. Which of the following focal lengths is most suitable?

1987

A ray of light is incident at an angle of 30o on one top surface of a parallel-sided glass block of refractive index 1.5. The ray finally emerges from the lower surface. What is the angular deviation of the emergent ray?

1987

A pool of water appears to be 1.0m deep when viewed vertically from above. If the refractive index of water is 1.33, what is the actual depth of the pool?

1987

A galvanometer of resistance 20\(\Omega\) is to be provided with a shunt that \(\frac{1}{10}\) of the whole current in a circuit passes through the galvanometer. The resistance of the shunt is

1987

When two parallel wires carry currents in opposite directions, the force on either wire is

1987

The direction of the magnetic field at a point in the vicinity of a bar magnet is

1987

A current of 0.5A flows through a resistor when connected to a 40-V battery. How much energy is dissipated in 2 minutes?

1987

When a transformer has more secondary windings than primary windings, it

1987

1987 JAMB UTME Physics Past Questions

A wave has a frequency of 2Hz and a wavelength of 30cm. The velocity of the wave is

Calculate the amount of heat required to convert 2kg of ice at 2oC to water at 0oC. [specific heat capacity of ice = 2090Jkg-1oC-1, specific latent heat of fusion of ice = 333kJkg-1]

Which of the following phenomena explains the fact that a house whose roof is coated with white paint will be cooler in the hot season than one coated with black paint ?

An object 3.0cm high is placed 60.0cm from a converging lens whose focal length is 20.0cm. Calculate the size of the image formed

If an object is placed in front of two mirrors inclined at 90o, how many images will be formed?

When the length I of a piece of wire under constant tension is varied, the relationship of the frequency of the vibration f\(\alpha\)/ is

Which of the following statements supports the assumption that light travels in straight lines?

The lowest note emitted by a stretched string has a frequency of 40Hz. How many overtones are there between 40Hz and 150Hz?

Two capacitance of 6\(\mu\)F and 8\(\mu\)F are connected in series. What additional capacitance must be connected in series with this combination to give a total of 3\(\mu\)F

If the angle of declination in a place is 10oE, calculate the true geographic bearing if the compass reads N40oE

Four lenses are being considered for use as a microscope objective. Which of the following focal lengths is most suitable?

A ray of light is incident at an angle of 30o on one top surface of a parallel-sided glass block of refractive index 1.5. The ray finally emerges from the lower surface. What is the angular deviation of the emergent ray?

A pool of water appears to be 1.0m deep when viewed vertically from above. If the refractive index of water is 1.33, what is the actual depth of the pool?

A galvanometer of resistance 20\(\Omega\) is to be provided with a shunt that \(\frac{1}{10}\) of the whole current in a circuit passes through the galvanometer. The resistance of the shunt is

When two parallel wires carry currents in opposite directions, the force on either wire is

The direction of the magnetic field at a point in the vicinity of a bar magnet is

A current of 0.5A flows through a resistor when connected to a 40-V battery. How much energy is dissipated in 2 minutes?

When a transformer has more secondary windings than primary windings, it

A radioactive sample initially contains N atoms. After three half-lives the number of atoms that have disintegrated is

Isotopes are nuclei which have