Physics Fibre optics work on the principle of Optical rotation Total internal reflection Scattering of light Total internal absorption Optical rotation Total internal reflection Scattering of light Total internal absorption ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Sun appearing red at sunset Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun becoming visible two or three minutes before actual sunrise Sun appearing red at sunset Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun becoming visible two or three minutes before actual sunrise ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of heat radiation in vacuum is Equal to that of sound Greater than that of light Less than that of light Equal to that of light Equal to that of sound Greater than that of light Less than that of light Equal to that of light ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 36 4 8 72 36 4 8 72 ANSWER DOWNLOAD EXAMIANS APP
Physics One nanometer is equal to ________ meters. 10 raised to the power (-12) 10 raised to the power (-9) 10 raised to the power (-3) 10 raised to the power (-6) 10 raised to the power (-12) 10 raised to the power (-9) 10 raised to the power (-3) 10 raised to the power (-6) ANSWER DOWNLOAD EXAMIANS APP