Physics Danger signals are generally red as red light Gives comfort to eye Undergoes least deviation Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright Has lowest velocity ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Reflection of sunlight Refraction of sunlight Scattering of longer wavelengths of sunlight in the atmosphere Scattering of shorter wavelengths of sunlight in the atmosphere Reflection of sunlight Refraction of sunlight Scattering of longer wavelengths of sunlight in the atmosphere Scattering of shorter wavelengths of sunlight in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following statements is true when we see ''rainbow' ? In light rainfall, we face Sun We face sun and raindrops The sky remains clear and the sun is at lower position in the sky The Sun remains behind us and we face raindrops In light rainfall, we face Sun We face sun and raindrops The sky remains clear and the sun is at lower position in the sky The Sun remains behind us and we face raindrops ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because of Scattering of light Emision of blue wavelength by the sun Reflection on sea water Atmospheric water vapour Scattering of light Emision of blue wavelength by the sun Reflection on sea water Atmospheric water vapour ANSWER DOWNLOAD EXAMIANS APP
Physics A sphere rolls down on two inclined planes of different angles but same height, it does so In the same time with the same speed In the same time With the same speed In the same time with the same kinetic energy In the same time with the same speed In the same time With the same speed In the same time with the same kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics The Laser is a beam of radiations which are Coherent and monochromatic Coherent and non-monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and monochromatic Coherent and non-monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic ANSWER DOWNLOAD EXAMIANS APP
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