Physics Which of the following are used for accurately measuring very small time intervals ? Atomic clocks White dwarfs Pulsars Quartz clocks Atomic clocks White dwarfs Pulsars Quartz clocks ANSWER DOWNLOAD EXAMIANS APP
Physics Rolling friction is caused by ________ Gravity Power dissipation Non-elastic effects Buoyancy Gravity Power dissipation Non-elastic effects Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level starts falling The bell jar breaks up The mercury level does not change The mercury level starts rising The mercury level starts falling The bell jar breaks up The mercury level does not change The mercury level starts rising ANSWER DOWNLOAD EXAMIANS APP
Physics A person does some work of 1,000 J in 2 s. His power will be ________ 1000W 500W 25W 50W 1000W 500W 25W 50W ANSWER DOWNLOAD EXAMIANS APP
Physics Plants are dried up in winter due to frost because Evaporation does not take place Respiration does not take place at low temperature Photosynthesis does not take place at such low temperature There is mechanical loss of tissues and drought condition prevails Evaporation does not take place Respiration does not take place at low temperature Photosynthesis does not take place at such low temperature There is mechanical loss of tissues and drought condition prevails ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Cobalt glass Ordinary glass Pyrex glass Flint glass Cobalt glass Ordinary glass Pyrex glass Flint glass ANSWER DOWNLOAD EXAMIANS APP