Physics Dioptre is the unit of Focal length of a lens Power of a lens Sound intensity Light intensity Focal length of a lens Power of a lens Sound intensity Light intensity ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Virtual image Inverted image Erect image Real image Virtual image Inverted image Erect image Real image ANSWER DOWNLOAD EXAMIANS APP
Physics Thermal expansion of materials arises from Strong bonds Thermal vibrations Weak bonds Asymmetry of potential energy curve Strong bonds Thermal vibrations Weak bonds Asymmetry of potential energy curve ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals are good conductor of heat plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics plastics have a lower density than metals metals are good conductor of heat plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Resonance Doppler effect Echo Beats Resonance Doppler effect Echo Beats ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Maser Eraser Laser Grazer Maser Eraser Laser Grazer ANSWER DOWNLOAD EXAMIANS APP