Physics If a copper wire is increased to double its length, its resistance will become One–fourth Half Four times Double One–fourth Half Four times Double ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of motion Centre of gravity Dead centre Centre of mass Centre of motion Centre of gravity Dead centre Centre of mass ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light radio waves visible light X-rays ultraviolet light radio waves visible light X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because Black surface is a good absorber of heat. Black surface is a good conductor of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. Black surface is a good absorber of heat. Black surface is a good conductor of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to Outward pull on him Change in momentum Inertia of motion Change in acceleration Outward pull on him Change in momentum Inertia of motion Change in acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following is not an electromagnetic wave? R-Ray X-Ray Cathode Ray Infrared Ray R-Ray X-Ray Cathode Ray Infrared Ray ANSWER DOWNLOAD EXAMIANS APP