Physics According to the theory of relativity, which of the following always remains constant ? Length of an object Velocity of light Time Space Length of an object Velocity of light Time Space ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 10 cm 15 cm 20 cm 5 cm 10 cm 15 cm 20 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Physics An instrument that records earthquakes is Thermograph Ergograph Ediograph Seismograph Thermograph Ergograph Ediograph Seismograph ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Glass undergoes a change due to the heat The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top ANSWER DOWNLOAD EXAMIANS APP
Physics On which of the following techniques photostate machine works ? Electromagnetic Image— Making Electrostatic Image—Making Thermal Image—Making Magnetic Image—Making Electromagnetic Image— Making Electrostatic Image—Making Thermal Image—Making Magnetic Image—Making ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Dead centre Centre of gravity Centre of motion Centre of mass Dead centre Centre of gravity Centre of motion Centre of mass ANSWER DOWNLOAD EXAMIANS APP