Physics Which of the following criterion is used for any metal to be used as a cooking material ? Less thermal conductivity More thermal conductivity Less electrical conductivity More specific heat Less thermal conductivity More thermal conductivity Less electrical conductivity More specific heat ANSWER DOWNLOAD EXAMIANS APP
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 4% Decreased by 2% Decreased by 4% Increased by 2% Increased by 4% Decreased by 2% Decreased by 4% Increased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because The density of mercury is greater than that of steel Mercury is a semisolid Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the surface tension of mercury Of the high viscosity of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Less than Greater than Greater than or equal to Equal to Less than Greater than Greater than or equal to Equal to ANSWER DOWNLOAD EXAMIANS APP
Physics An atom bomb based upon the principal of ________ Nuclear fussion Controlled chain reaction None of these Nuclear fission Nuclear fussion Controlled chain reaction None of these Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Beats Resonance Echo Doppler effect Beats Resonance Echo Doppler effect ANSWER DOWNLOAD EXAMIANS APP