2019
Aluminium is sometimes used as the leaf of an electroscope because it
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2019 JAMB UTME Physics Past Questions
2019
When the downward current flows in a straight vertical conductor, the direction of its magnetic field at a point due north of the wire is
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2019
The pitch of a screw jack is 0.45cm and the arm is 60cm long. If the efficiency of the Jack is 75/π %, calculate the mechanical advantage.
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2019
A straight wire 15cm long, carrying a current of 6.0A is in a uniform field of 0.40T. What is the force on the wire when it is at right angle to the field
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2019
The pin-hole camera produces a less sharply defined image when the
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2019
A ray of light passes through the centre of curvature of a concave mirror and strikes the mirror. At what angle is the ray reflected?
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2019
The distance between an object and its real image in a convex lens is 40cm. If the magnification of the image is 3, calculate the focal length of the lens
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2019
When the temperature of a liquid is increased, its surface tension
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2019
Ripple in a power supply unit is caused by
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2019
Which of the following equations is the correct definition of the reactance of an indicator L?
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2019
Which of the following is/are the limitations to the Rutherford's atomic models?I. It is applicable when energy is radiated as electrons are revolvingII. It is applicable when energy is radiated in a continuous modeIII.…
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2019
Electrons were discovered by
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2019
In a slide wire bridge, the balance is obtained at a point 25cm from one end of wire 1m long. The resistance to be tested is connected to that end and a standard resistance of 3.6\(\Omega\) is connected to the other end…
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2019
During the transformation of matter from the solid to the liquid state, the heat supplied does not produce temperature increase because
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2019
Lamps in domestic lightings are usually in
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2019
A train has an initial velocity of 44m/s and an acceleration of -4m/s\(^2\). Calculate its velocity after 10 seconds
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2019
The value of T in the figure above is
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2019
According to kinetic molecular model, in gases
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2019
A metal rod has a length of 100cm at 200\(^oC\). At what temperature will its length be 99.4cm. If the linear expansivity of the material of the rod is 2 \(\times\) 10\(^{-5}C^{-1}\)
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2019
When blue and green colours of light are mixed, the resultant colour is
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