Physics A star appears twinkling in the sky because of Diffraction of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of light associated with the appearance of blue colour of the sky is Reflection Refraction Interference Scattering Reflection Refraction Interference Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Interference Reflection Polarisation Diffraction Interference Reflection Polarisation Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Muscular force Magnetic force Friction Electrostatic force Muscular force Magnetic force Friction Electrostatic force ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Reflection of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light Interference of the sun light from water surface Reflection of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light Interference of the sun light from water surface ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively They have extra air sacs Their lungs are very large They use less oxygen They fly inactively They have extra air sacs Their lungs are very large They use less oxygen ANSWER DOWNLOAD EXAMIANS APP
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