Physics Which of the following are used for accurately measuring very small time intervals ? White dwarfs Quartz clocks Pulsars Atomic clocks White dwarfs Quartz clocks Pulsars Atomic clocks ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Stratosphere Chromosphere Ionosphere Troposphere Stratosphere Chromosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Increasing the radius of the capillary tube None of these Decreasing the radius of the capillary tube Increasing the height of water in the vessel Increasing the radius of the capillary tube None of these Decreasing the radius of the capillary tube Increasing the height of water in the vessel ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Radio wave All are operating at nearly the same propagation speed Microwave Optical fiber Radio wave All are operating at nearly the same propagation speed Microwave Optical fiber ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 6 Km/Sec. 15 Km/Sec. 5 Km/Sec. 11 Km/Sec. 6 Km/Sec. 15 Km/Sec. 5 Km/Sec. 11 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of different masses are dropped simultaneously from the top of a building Both the stones reach the ground at the same time Depends on the composition of the stone Smaller stone reaches the ground earlier Larger stone reaches the ground earlier Both the stones reach the ground at the same time Depends on the composition of the stone Smaller stone reaches the ground earlier Larger stone reaches the ground earlier ANSWER DOWNLOAD EXAMIANS APP