2023
A simple pendulum, has a period of 5.77 seconds. When the pendulum is shortened by 3 m, the period is 4.60 seconds. Calculate the new length of the pendulum
See more
2023 JAMB UTME Physics Past Questions
2023
Light of wavelength 589 nm in vacuum passes through a piece of fused quartz of index of refraction n = 1.458. What is the frequency of the light in fused quartz?[Speed of light c = \(3.00×10^8 ms^{-1}\)]
See more
2023
A 400 N box is being pushed across a level floor at a constant speed by a force P of 100 N at an angle of 30.0° to the horizontal, as shown in the the diagram below. What is the coefficient of kinetic friction between th…
See more
2023
Which of the following thermometers measures temperature from the thermal radiation emitted by objects?
See more
2023
What is the amount of heat required to raise the temperature of a 0.02 kg of ice cube from \(-10^oC\) to \(10^oC\) ? [specific latent heat of fusion of ice = 3.34 x \(10^5\) \(Jkg^-1\), Specific heat capacity of water =…
See more
2023
A parallel plate capacitor separated by an air gap is made of \(0.8m^2\)tin plates and 20 mm apart. It is connected to 120 V battery. What is the charge on each plate? Take \(ε_o\) = \(8.85×10^-12 Fm^-1\)
See more
2023
An air bubble of radius 4.5 cm initially at a depth of 12 m below the water surface rises to the surface. If the atmospheric pressure is equal to 10.34 m of water, the radius of the bubble just before it reaches the wat…
See more
2023
A 200 kg load is raised using a 110 m long lever as shown in the diagram above. The load is 10m from the pivot P. If the efficiency of the the lever is 80%, find the effort E required to lift the load.[Take g = 10ms-2]
See more
2023
A man swung an object of mass 2 kg in a circular path with a rope 1.2 m long. If the object was swung at 120 rev/min, find the tension in the rope.
See more
2023
A wire of radius 0.2 mm is extended by 0.5% of its length when supported by a load of 1.5 kg. Determine the Young's modulus for the material of the wire. [Take g = 10 ms\(^{-2}\)]
See more
2023
How much net work is required to accelerate a 1200 kg car from 10\(ms^{-1}\) to 15\(ms^{-1}\)
See more
2023
Which process is responsible for production of energy in stars?
See more
2023
The surface temperature of a swimming pool on a warm day is 25ºC and the temperature at the bottom is 15ºC. If the swimming pool has a surface area of 620 \(m^2\) and a depth of 1.5m. Find the rate at which energy is tr…
See more
2023
Rainbow formation is as a result of the combination of which of the following phenomena? (i) Reflection (ii) Dispersion (iii) Total internal reflection (iv) Refraction
See more
2023
Name the type of equilibrium for each position of the ball
See more
2023
The number of holes in an intrinsic semiconductor
See more
2023
The half life of a radioactive material is 12 days. Calculate the decay constant.
See more
2023
A lorry accelerates uniformly in a straight line with acceleration of \(4ms^-2\) and covers a distance of 250 m in a time interval of 10 s. How far will it travel in the next 10 s?
See more
2023
The terminals of a battery of emf 24.0 V and internal resistance of 1.0 Ω is connected to an external resistor 5.0 Ω. Find the terminal p.d.
See more
2023
Calculate the absolute pressure at the bottom of a lake at a depth of 32.8 m. Assume the density of the water is 1 x 10^3 kgm-3 and the air above is at a pressure of 101.3 kPa. [Take g = 9.8 ms-2]
See more