2021
Particles of mass 10\(^{-2}\)kg is fixed to the tip of a fan blade which rotates with angular velocity of 100rad\(^{-1}\). If the radius of the blade is 0.2m, the centripetalforce is?
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2021 JAMB UTME Physics Past Questions
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2021
Two bodies have masses in the ratio 3:1. They experience forces which impart to them acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced.
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2021
The inner diameter of a test tube can be measured accurately using a?
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2021
A certain radioactive source emits radiation that was found to be deflected by both magnetic and electric fields. The radiation is?
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2021
If the fraction of the atoms of a radioactive material left after 120 years is 1/64, what is the half-life of the material?
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2021
If the frequency of an emitted x-ray is 1.6 x 10\(^{16}\)Hz, the accelerating potential is?[e = 1.6 x 10\(^{-19}\)J, h = 6.63 x 10-\(^{34}\)Js]
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2021
In a series R-L-C circuit at resonance, the voltages across the resistor and the inductors are 30V and 40V respectively. What is the voltage across the capacitor?
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2021
Calculate the heat energy required to vaporize 50g of water initially at 80ºCif the specific heat capacity of water is 4.23jg\(^{-1}\)k\(^{-1}\) (specific latent heat of vaporization of water is 2260jg\(^{-1}\)
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2021
Which of the following is not a vector quantity?
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2021
A boy standing some distance from the foot of a tall cliff claps his hands and hears an echo 0.5s later. If the speed of sound is 340ms\(^{-1}\), how far is he from the cliff?
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2021
A source of sound produces waves in air of wavelength1.65m. If the speed of soundin air is 330ms\(^{-1}\), the period of vibration in air is?
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2021
Which of the following instruments may be used to measure relative humidity?
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2021
0.5kg of water at 10ºC is completely converted to ice at 0ºC by extracting (88000) of heat from it. If the specific heat capacity of water is 4200jkg\(^{1}\) Cº. Calculate the specific latent heat of fusion of ice.
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2021
A given mass of gas has a pressure of 80 Nm\(^{-2}\) at a temperature of 47 C. If the temperature is reduced to 27 C with volume remaining constant, the new pressure is?
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2021
Which of the following is not correct about the molecules of a substance in a gaseous state. They?
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2021
The motion of a body is simple harmonic if the?
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2021
A ball of mass 0.5kg moving at 10ms\(^{-1}\) collides with another ball of equal mass at rest. If the two balls move off together after the impact, calculate their common velocity.
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2021
Which of the units of the following physical quantities are derived?I. Area II. Thrust III. Pressure IV. Mass
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2021
A man will exert the greatest pressurewhen he?
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2021
The slope of the straight line displacement-time graph indicates?
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