Physics Which best describes how air moves during convection? Cool air is replaced by warm air Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air Air always falls down Warm air falls down Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics A body falling through a liquid acquires a steady velocity is known as Touch down velocity Steady state velocity End velocity Terminal velocity Touch down velocity Steady state velocity End velocity Terminal velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Siphon will fail to work if: Both its limbs are of unequal length. The temperature of the liquids in the two vessels are the same. The densities of the liquid in the two vessels are equal. The level of the liquid in the two vessels are at the same height. Both its limbs are of unequal length. The temperature of the liquids in the two vessels are the same. The densities of the liquid in the two vessels are equal. The level of the liquid in the two vessels are at the same height. ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? Neither Both 25 W 100 W Neither Both 25 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Ernest Rutherford Marie Curie Pierre Curie Wilhelm Rontgen Ernest Rutherford Marie Curie Pierre Curie Wilhelm Rontgen ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Real image Erect image Inverted image Virtual image Real image Erect image Inverted image Virtual image ANSWER DOWNLOAD EXAMIANS APP