Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Increased by 2% Decreased by 4% Decreased by 2% Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% Increased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with uniform acceleration its final velocity equals ________ 2 x average velocity - initial velocity Average velocity - initial velocity 2 x average velocity + initial velocity Average velocity + initial velocity 2 x average velocity - initial velocity Average velocity - initial velocity 2 x average velocity + initial velocity Average velocity + initial velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation? Scattering Polarization Diffraction Interference Scattering Polarization Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria X-rays Ultra-violet radiation Microwave radiation Infrared rays X-rays Ultra-violet radiation Microwave radiation Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Doubled Increased by a factor 2 Decreased by a factor 2 Halved Doubled Increased by a factor 2 Decreased by a factor 2 Halved ANSWER DOWNLOAD EXAMIANS APP
Physics Mica is used in electrical appliances such as electric iron because mica is a good conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat but a bad conductor of electricity a bad conductor of heat as well as electricity a good conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat but a bad conductor of electricity a bad conductor of heat as well as electricity ANSWER DOWNLOAD EXAMIANS APP