Physics The force of friction between two surfaces will increase if: Air gap is created between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics What type of simple machine is an axe? Lever The screw Both A & B Wedge Lever The screw Both A & B Wedge ANSWER DOWNLOAD EXAMIANS APP
Physics Steam at 100°C causes more severe burns than water at 100°C because Steam has latent heat of vaporisation Water has no specific heat capacity Steam has no specific heat capacity Water has latent heat of fusion Steam has latent heat of vaporisation Water has no specific heat capacity Steam has no specific heat capacity Water has latent heat of fusion ANSWER DOWNLOAD EXAMIANS APP
Physics Golden view of sea shell is due to Polarization Dispersion Diffraction Reflection Polarization Dispersion Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Radio waves M. Frequency of 1016 series Micro waves Radio waves M. Frequency of 1016 series Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is 10 J 20 J 40 J 25 J 10 J 20 J 40 J 25 J ANSWER DOWNLOAD EXAMIANS APP