Physics JAMB MOCK TEST

In which of the points labelled A, B, C, D and E on the conductor shown would electric charge tend to concentrate most

The point at which the molecules of a loaded wire begin to slide across each other resulting in a rapid increase in extension is

The lower fixed part of a faulty thermometer reads 2°C while the upper fixed point is 100°C.
What is the true temperature when the thermometer reads 51°C?

The process by which protons are converted into helium atoms with a tremendous release of energy is called?

When two objects A and B are supplied with the same quantity of heat, the temperature change in A is obtained to be twice that of B. The mass of P is half that of Q. The ratio of the specific heat capacity of A to B is

The following are some units
I. Ns
II. Non
III. Nm−2
IV. J°K−1
V. JKj−1
What are the units of latent heat?

Which of the following is an essential physical property of the wires uses for making fuses ?

Mercury which is spilled onto a glass surface forms ball-like shapes because____.

Water of mass 150g at 60oc is added to 300g of water at 20oc and the mixture is well stirred. Calculate the temperature of the mixture.(neglect heat losses to the surroundings)

Which of the following phenomena is the practical evidence for the existence of the continual motion of molecules.

The resultant force of a couple is ………?

A car traveled at a uniform speed of 100km/h, spends 15m moving from point A to point B along its route. The distance between A and B is

A man hears his echo from a nearby hill 2s after he shouted. If the frequency of his voice is 260Hz and the wavelength is 1.29m, how far away is the hill?

Body floats in fluid when its …………………

A motor boy of a driver saw what seem to appear to be a pool of water a head of him, while his driver’s drives a new truck on a funny day. Which of the following explains his observation?

According to kinetic molecular model in gases,

A car starts from rest and covers a distance of 40 m in 10 s. Calculate the magnitude of its acceleration.

What is the inductance (L) of an inductor whose reactance is 1Ω at 50/ π hertz (H)?

A stroboscope can be used to make the wave appear …………..

If a bar magnet is divided into two pieces, which of the following statement is correct?

Which of the following liquid is a poor conductor of electricity?

A reservoir is filled with liquid of density 2000 kgm−1. Calculate the depth at which the pressure in the liquid will be equal to 9100 Nm−2 (g = 10 ms−2)

Why do tyres have treads?

A bar magnet is placed near and lying along the axis of a solenoid connected to a galvanometer. The pointer of the galvanometer shows no deflection when?

Consider the wave equation y = 5mm sin [1cm−1x - 60s−1t]. The wave number is?

The diagram shows a uniform meter rule AB which balances horizontally at the 90cm mark when a mass of 0.2kg is suspended from B. Calculate the mass of the meter rule