Physics

The linear expansivity of brass is 2 x 10(^{-5})  (^oC^{-1}). If the volume of piece of brass … Read More

Which of the following statements about defects of vision is/are CORRECT?  I. For a long sighted person, … Read More

The refractive index of a liquid is 1.5. If the velocity of light in vacuum is … Read More

One of the following readings represents the measurement of the length of a metal rod using vernier … Read More

The effect of closing the key K in the circuit shown in the figure above would … Read More

Which of the following statements about radioactivity is true? (i) Alpha particle is positively charged (ii) Beta … Read More

A few grains of table salt were put in a cup of cold water, kept at … Read More

(a) (i) Define force and state its S.I unit. (ii) List the two types of solid … Read More

(a) (i) Explain latent heat. (ii) State two factors that affect the rate of evaporation of a liquid                      … Read More

(a) (i) Define atomic spectra.                                                            (ii) Differentiate between emission spectra and absorption spectra.            The diagram above … Read More