jamb physics 2018

What type of reaction is represented by the following scheme? $^2_1X + ^2_1Y \rightarrow ^3_2Z + ^1_0n + \text{energy}$

The linear expansivity of brass is $2 \times 10^{-5}\text{ C}^{-1}$. If the volume of a piece of brass is $15.00\text{ cm}^3$ at $0^\circ\text{C}$, what is the volume at $100^\circ\text{C}$?

Which of the following best describes the energy changes which take place when a steam engine drives a generator which lights a lamp?

Which of the following obeys Ohm's Law?

Which of the following is true of an electrical charge?

The electrochemical equivalent of silver $0.0012\text{ g/C}$. If $36.0\text{ g}$ of silver is to be deposited by electrolysis on a surface by passing a steady current for $5$ minutes, the current must be

A lead bullet of mass $m_1$ is fired with a velocity of $v_1$ into a lead block of mass $m_2$. Given that the lead block can move freely, the final kinetic energy after impact is

Which of the following diagrams represents a correct n-p-n transistor?

Which of the following is NOT used to explain a mirage? I. Layers of air near the surface have varying refractive indices in hot weather II. Road surfaces sometimes become good reflectors in hot weather. III. Light from the sky can be reflected upwards after coming close to and the road surface

A narrow beam of white light can be split into different colours by a glass prism. The correct explanation is that