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?
The half life of a radioactive material is 12 days. Calculate the decay constant.
The number of holes in an intrinsic semiconductor
Name the type of equilibrium for each position of the ball
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
