Physics In the process of magnetisation of a bar Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised Only the surface of the bar gets magnetised The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised Only the surface of the bar gets magnetised The entire bulk of the bar gets magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical resistivity increase its life increase its electrical conductivity enable it to withstand higher voltages increase its electrical resistivity increase its life increase its electrical conductivity enable it to withstand higher voltages ANSWER DOWNLOAD EXAMIANS APP
Physics The rotational effect of a force on a body about an axis of rotation is described in terms of Centre of gravity Moment of force Centrifugal force Centripetal force Centre of gravity Moment of force Centrifugal force Centripetal force ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? B will reach the ground first. A will reach the ground first. The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. B will reach the ground first. A will reach the ground first. The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of a musical note depends on Harmonics present Fundamental frequency Amplitude of the wave Velocity of sound in the medium Harmonics present Fundamental frequency Amplitude of the wave Velocity of sound in the medium ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Reflection Diffraction Refraction Total internal reflection Reflection Diffraction Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP