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 An Electric generator is based on which of the following scientific principles? Laws of Thermodynamics Newton's Law of Motion Faraday's law of Electromagnetic Induction Super Conductivity Laws of Thermodynamics Newton's Law of Motion Faraday's law of Electromagnetic Induction Super Conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1pa = C2pg C2>C1 C1 = C2 C1>C2 C1pa = C2pg C2>C1 C1 = C2 C1>C2 ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Pipelines expand due to freezing Pipelines contract in their volume Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines expand due to freezing Pipelines contract in their volume Temperature of ice is less than that of water Water freezes and expands in its volume ANSWER DOWNLOAD EXAMIANS APP
Physics The modulus of rigidity is the ratio of Shearing stress to shearing strain Tensile stress to tensile strain Volume stress to volume strain Longitudinal stress to longitudinal strain Shearing stress to shearing strain Tensile stress to tensile strain Volume stress to volume strain Longitudinal stress to longitudinal strain ANSWER DOWNLOAD EXAMIANS APP
Physics The redness in atmosphere at Sunrise and Sunset is due to : Refraction of light Reflection of light Dispersion of light Scattering of light Refraction of light Reflection of light Dispersion of light Scattering of light ANSWER DOWNLOAD EXAMIANS APP
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