Physics The SI unit of luminous emittance is : Candela Lumen Lumen second Lux Candela Lumen Lumen second Lux ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by P – n junction diode Sonometer Spectrometer Cathode ray oscilloscope P – n junction diode Sonometer Spectrometer Cathode ray oscilloscope ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? 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 Sun appearing red at sunset ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 2R 5R/4 R/2 3R/4 2R 5R/4 R/2 3R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Acceleration Inertia None of these Zero gravity Acceleration Inertia None of these Zero gravity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following occurred first ? Albert Einstein propounded the General Theory of Relativity Guglielmo Marconi sent out the first wireless signals Max Planck unveiled the Quantum Theory Wright Brothers successfully flew an aircraft Albert Einstein propounded the General Theory of Relativity Guglielmo Marconi sent out the first wireless signals Max Planck unveiled the Quantum Theory Wright Brothers successfully flew an aircraft ANSWER DOWNLOAD EXAMIANS APP