Physics A copper disc has a hole. If the disc is heated, the size of the hole Increases First increases and than decreases Decreases No change Increases First increases and than decreases Decreases No change ANSWER DOWNLOAD EXAMIANS APP
Physics Materials that allow electricity to flow are called Insulators Electron flows Stimulators Conductors Insulators Electron flows Stimulators Conductors ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the principle of refraction scattering interference total internal reflection principle of refraction scattering interference total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Blue Green Orange Yellow Blue Green Orange Yellow ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is/are part of the Classical Physics? Both a and b None Optics Thermodynamics Both a and b None Optics Thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Physics A gas thermometer is more sensitive than a liquid thermometer because a gas : Is lighter than liquid Expands more than a liquid Is easy to obtain Does not change state easily Is lighter than liquid Expands more than a liquid Is easy to obtain Does not change state easily ANSWER DOWNLOAD EXAMIANS APP
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