Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Rubber Celluloid Mica Asbestos Rubber Celluloid Mica Asbestos ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Microwave Ultrasonic wave Audible wave Infrasonic wave Microwave Ultrasonic wave Audible wave Infrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Back scattering Rayleigh scattering None of these Mie scattering Back scattering Rayleigh scattering None of these Mie scattering ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Conductivity of air increases Our perspiration eva-porates rapidly Fan supplies cool air Fan cools the air Conductivity of air increases Our perspiration eva-porates rapidly Fan supplies cool air Fan cools the air ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following experiments analyzed the Fraunhofer lines of the solar spectrum? Bunsen and Kirchhoff's experiment Geiger and Marsdens experiment on scattering of alpha particles Barkla's experiment on scattering of X-rays Lamb-Rutherford experiment Bunsen and Kirchhoff's experiment Geiger and Marsdens experiment on scattering of alpha particles Barkla's experiment on scattering of X-rays Lamb-Rutherford experiment ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to The chemical reaction between the gases inside the bulb The compressed gases inside rushing out suddenly The air outside rushing in to fill the vacuum inside the bulb None of these The chemical reaction between the gases inside the bulb The compressed gases inside rushing out suddenly The air outside rushing in to fill the vacuum inside the bulb None of these ANSWER DOWNLOAD EXAMIANS APP
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