Physics The least penetrating power ray is Alpha rays Beta rays None of these Gamma rays Alpha rays Beta rays None of these Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 10 cm 5 cm 20 cm 15 cm 10 cm 5 cm 20 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Curie point is the temperature at which Transmutation of metal occurs. Matter becomes radioactive A metal loses magnetic properties. A metal loses conductivity Transmutation of metal occurs. Matter becomes radioactive A metal loses magnetic properties. A metal loses conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? 0.5 50 100 1 0.5 50 100 1 ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls By his side In front of him Behind him Into his hand By his side In front of him Behind him Into his hand ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Platinum Copper Nichrome Pure silicon Platinum Copper Nichrome Pure silicon ANSWER DOWNLOAD EXAMIANS APP