Physics Stars appear twinkling because of ......... of light. Reflection Scattering Emission Absorption Reflection Scattering Emission Absorption ANSWER DOWNLOAD EXAMIANS APP
Physics The quality or tone of a musical sound produced by a stringed instrument depends on Amplitude of vibration Length of the strings in the instrument Wave form of the sound Frequency of vibration Amplitude of vibration Length of the strings in the instrument Wave form of the sound Frequency of vibration ANSWER DOWNLOAD EXAMIANS APP
Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Work with reduced efficiency Not work at all Work as efficiently as on the earth Work with increased efficiency Work with reduced efficiency Not work at all Work as efficiently as on the earth Work with increased efficiency ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As parallel beams in all directions As diffused beams in all directions As a diffused beam in one direction As a parallel beam in one direction As parallel beams in all directions As diffused beams in all directions As a diffused beam in one direction As a parallel beam in one direction ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Potential energy Chemical energy Heat energy Electrical energy Potential energy Chemical energy Heat energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The work done by the string of a simple pendulum during one complete oscillation is equal to Zero Total energy of the pendulum Potential energy of the pendulum Kinetic energy of the pendulum Zero Total energy of the pendulum Potential energy of the pendulum Kinetic energy of the pendulum ANSWER DOWNLOAD EXAMIANS APP