Physics Planets do not twinkle because They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They are nearer to earth and hence we receive a greater amount of light. They emit light of a constant intensity They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They are nearer to earth and hence we receive a greater amount of light. They emit light of a constant intensity ANSWER DOWNLOAD EXAMIANS APP
Physics Oil raise up the wick in a lamp. The principle involves capillary action phenomenon the diffusion of oil through the wick volatility of oil the liquid state of oil capillary action phenomenon the diffusion of oil through the wick volatility of oil the liquid state of oil ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of One minute One day One hour A fraction of a second One minute One day One hour A fraction of a second ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Ionosphere Mesosphere Stratosphere Ozonosphere Ionosphere Mesosphere Stratosphere Ozonosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 2.87 sec 5.41 sec 3.44 sec 4.65 sec 2.87 sec 5.41 sec 3.44 sec 4.65 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. Saw dust does not stick to the ice. Saw dust will not get melted easily. Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. Saw dust does not stick to the ice. Saw dust will not get melted easily. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS