Physics Which one of the following is used for sun glasses ? Crystal glass Pyrex glass Crooks glass Flint glass Crystal glass Pyrex glass Crooks glass Flint glass ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It reflects sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It absorbs sun's rays It reflects sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It absorbs sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Temperature of air Wind in the direction of propagation of sound Moisture content in air Pressure of air Temperature of air Wind in the direction of propagation of sound Moisture content in air Pressure of 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 The sky appears blue due to Rayleigh scattering Mie scattering None of these Back scattering Rayleigh scattering Mie scattering None of these Back scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Electrostatic precipitator is used to control the pollution of Air Noise Thermal Water Air Noise Thermal Water ANSWER DOWNLOAD EXAMIANS APP