Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Inhomogeneous and transparent Of variable refractive index Made up of slabs of different refractive indices Homogeneous and transparent Inhomogeneous and transparent Of variable refractive index Made up of slabs of different refractive indices Homogeneous and transparent 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? Remains constant Becomes zero None of these Increases exponentially Remains constant Becomes zero None of these Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Physics Which planet has the lowest density? Neptune Jupiter Saturn Earth Neptune Jupiter Saturn Earth ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 11 – 20 Hz 20 – 20000 Hz 0 – 5 Hz 6 – 10 Hz 11 – 20 Hz 20 – 20000 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Frequency Wavelength Temperature None of these Frequency Wavelength Temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Guide and resolve traffic jams in crowded metro-cities during nights Guide and warn the ships coming from different directions in the ocean Indicate to the incoming warships, the location of a harbour during night Guide and help large crowds at religious gathering during nights Guide and resolve traffic jams in crowded metro-cities during nights Guide and warn the ships coming from different directions in the ocean Indicate to the incoming warships, the location of a harbour during night Guide and help large crowds at religious gathering during nights ANSWER DOWNLOAD EXAMIANS APP
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