2001 JAMB UTME Physics Past Questions

2001

A stone of mass 1kg is dropped from a height of 10m above the ground and falls freely under gravity. Its kinetic energy 5m above the ground is then equal to

2001

The height at which the atmosphere ceases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is

2001

Which of the following consists entirely of vector quantities?

2001

The efficiency of a machine is always less than 100% because the

2001

I. The earth is not spherical but elliptical in shapeII. Variation in latitude and longitudeIII. Rotation of the earth on its axisIV. Variation in the density of the earthOn which combination of the above does the weight…

2001

The resultant of two forces acting on an object is maximum if the angle between them is

2001

If a spherical metal bob of radius 3cm is fully immersed in a cylinder containing water and the water level rises by 1cm, what is the radius of the cylinder?

2001

The pressure of a given mass of a gas changes from 200Nm-2 to 120Nm-2 while the temperature drops from 127°C to -73°C. The ratio of the final volume to the initial volume is

2001

The driving mirror of a car has a radius of curvature of 1m. A vehicle behind the car is 4m from the mirror. Find the image distance behind the mirror.

2001

The terrestrial telescope has one extra lens more than the astronomical telescope. The extra lens is for

2001

A ray of light strikes a plane mirror at an angle of incidence of 35°. If the mirror is rotated through 10°, through what angle is the reflected ray rotated?

2001

A cell of internal resistance r supplies current to a 6.0Ω resistor and its efficiency is 75%. Find the value of r.

2001

A gas with initial volume of 2 X 10-6m3 is allowed to expand to six times its initial value at constant pressure of 2 x 105Nm-2. The work done is

2001

A string is fastened tightly between two walls 24cm apart. The wavelength of the second overtone is

2001

A plane sound wave of frequency 85.5Hz and velocity 342ms-1 is reflected from a vertical wall. At what distance from the wall does the wave have antinode?

2001

The thermometric substance of an absolute thermometer is

2001

In a Daniel cell, the depolarizer, positive and negative electrodes are respectively

2001

The cost of running five 60 W lamps and four 100 W lamps for 20 hours if electrical energy cost #10.00 per kwh is

2001

A working electric motor takes a current of 1.5 A when the p.d across it is 250V. If its efficiency is 80%, the power output is

2001

A student is at a height 4m above the ground during a thunderstorm. Give that the potential difference between the thundercloud and the ground is 107v, the electric field created by the storm is

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