Physics Moving electric charge produces : Light rays Heat waves Magnetic field Sound waves Light rays Heat waves Magnetic field Sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve > Vp Cannot be determined Ve = Vp Ve < Vp Ve > Vp Cannot be determined Ve = Vp Ve < Vp ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Total internal reflection of light Scattering of light Refraction of light Reflection of light Total internal reflection of light Scattering of light Refraction of light Reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to 10 N 1 N 100 N 0.1 N 10 N 1 N 100 N 0.1 N ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same ANSWER DOWNLOAD EXAMIANS APP
Physics Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct? 1 only 2 and 3 only 1 and 2 only 1, 2 and 3 1 only 2 and 3 only 1 and 2 only 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP