A radio station broadcast at a frequency of 600KHZ. If the speed of light in air is 3 × 108ms\(^{−1}\). Calculate the wavelength of the radio wave
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2017
A man of mass 50kg ascends a flight of stains 5m high in 5 seconds. If acceleration due to gravity is 10ms\(^{-2}\) the power expended is
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2017
The instrument used to measure the pressure of a gas is
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2017
The net capacitance in the circuit above is
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2017
Which of the following operations can be used to convert an alternative current dynamo into a direct current dynamo
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2017
From the diagram above, calculate the energy stored in the capacitor
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2017
How can energy loss be minimized through Eddy-current?
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2017
A string of length 5cm is extended by 0.04m when a load of 0.8kg is suspended at the end. How far will it extend if a force of 16N is applied? [g = 10ms\(^{-2}\)]
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2017
Determine the focal length of a thin converging lens if the power is 5.0 dioptres
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2017
Which of the following is a scalar quantity?
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2017
Which of the following is a semiconductor
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2017
Which of the following is correct about an electric cell?
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2017
I. Refraction II. Interference III. DiffractionWhich of the above properties are common to all waves?
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2017
I. Refraction II. Interference III. Diffraction Which of the above properties are common to all waves?
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2017
A constant force of %n acts for a % seconds on a mass of 5kg initially at rest. Calculate the final momentum
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2017
The action of blotting paper on ink is due to
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2017
What is the speed of a body vibrating at 50 cyclic per second
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2017
The instrument to measure the relative density of light is
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2017
It is known that a neutron exists in a light atomic nucleusWhich of the following also exists in the nucleus?
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2017
Which of the following surfaces will absorbs radiant heat energy heat?