Physics Which type of radiation has the lowest penetrating ability? Beta Alpha All of these Gamma Beta Alpha All of these Gamma ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan cools surrounding air. Air vapourises the sweat on our body. We feel cool when air touches the body. Fan gives cool air. Fan cools surrounding air. Air vapourises the sweat on our body. We feel cool when air touches the body. Fan gives cool air. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following experiments analyzed the Fraunhofer lines of the solar spectrum? Lamb-Rutherford experiment Geiger and Marsdens experiment on scattering of alpha particles Barkla's experiment on scattering of X-rays Bunsen and Kirchhoff's experiment Lamb-Rutherford experiment Geiger and Marsdens experiment on scattering of alpha particles Barkla's experiment on scattering of X-rays Bunsen and Kirchhoff's experiment ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because Their distance from the earth does not change with time They emit light of a constant intensity They are very far away from the earth resulting in decrease in intensity of light They are nearer to earth and hence we receive a greater amount of light. Their distance from the earth does not change with time They emit light of a constant intensity They are very far away from the earth resulting in decrease in intensity of light They are nearer to earth and hence we receive a greater amount of light. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is arranged in order of decreasing conductivity? Copper, Silver, Aluminium, Steel Silver, Copper, Aluminium, Steel Aluminium, Silver, Copper, Steel Copper, Aluminium, Steel, Silver Copper, Silver, Aluminium, Steel Silver, Copper, Aluminium, Steel Aluminium, Silver, Copper, Steel Copper, Aluminium, Steel, Silver ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Radio waves M. Frequency of 1016 series Micro waves Radio waves M. Frequency of 1016 series Micro waves ANSWER DOWNLOAD EXAMIANS APP