Physics In an optical fibre the signal is transmitted In a straight line path Due to refraction Due to total internal reflection In a curved path In a straight line path Due to refraction Due to total internal reflection In a curved path ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a result of Surface tension ? Gravitational pull Viscosity Capillary action Radiation Gravitational pull Viscosity Capillary action Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? X rays Alpha particle UV rays Gama particle X rays Alpha particle UV rays Gama particle ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R 5 R/4 4 R/5 R/5 5 R 5 R/4 4 R/5 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics Find the current (in A) when a charge of 1200C flows in 6 seconds. 200 7200 3600 100 200 7200 3600 100 ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Radiation Reflection Conduction Convection Radiation Reflection Conduction Convection ANSWER DOWNLOAD EXAMIANS APP