Physics Why does the sea appear blue in colour? 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 Reflection of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light ANSWER DOWNLOAD EXAMIANS APP
Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV > lVIS > lIR LUV > lIR > lVIS LUV < lVIS < lIR LUV < lIR < lVIS LUV > lVIS > lIR LUV > lIR > lVIS LUV < lVIS < lIR LUV < lIR < lVIS ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Increases exponentially None of these Becomes zero Remains constant Increases exponentially None of these Becomes zero Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Curie point is the temperature at which A metal loses magnetic properties. Matter becomes radioactive A metal loses conductivity Transmutation of metal occurs. A metal loses magnetic properties. Matter becomes radioactive A metal loses conductivity Transmutation of metal occurs. ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes None of these Negative ion Positive ion Neutron None of these Negative ion Positive ion Neutron ANSWER DOWNLOAD EXAMIANS APP
Physics The Laser is a beam of radiations which are Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic Coherent and monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic Coherent and monochromatic ANSWER DOWNLOAD EXAMIANS APP
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