Physics A star appears twinkling in the sky because of Scattering of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 4.2 seconds 4.2 years 42 years 42 seconds 4.2 seconds 4.2 years 42 years ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these travels in glass with minimum velocity ? Violet light Green light Red light Yellow light Violet light Green light Red light Yellow light ANSWER DOWNLOAD EXAMIANS APP
Physics Which liquid is the most viscous? Oil Water Milk Diesel Oil Water Milk Diesel ANSWER DOWNLOAD EXAMIANS APP
Physics What is colour of light related to ? Frequency Quality Amplitude Velocity Frequency Quality Amplitude Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Cosmic rays Infra red Red light Ultra violet Cosmic rays Infra red Red light Ultra violet ANSWER DOWNLOAD EXAMIANS APP
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