Physics What is the principle of a ''Life Jacket"? The person can sit on it like a raft It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat It provides oxygen to a drowning person ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 10 cm 15 cm 20 cm 5 cm 10 cm 15 cm 20 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Have low specific heat Have high,specific heat Have large coefficient of expansion Are lighter Have low specific heat Have high,specific heat Have large coefficient of expansion Are lighter ANSWER DOWNLOAD EXAMIANS APP
Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 120 cm. 30 cm. 60 cm. 90 cm. 120 cm. 30 cm. 60 cm. 90 cm. ANSWER DOWNLOAD EXAMIANS APP
Physics A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to Change in acceleration Inertia of motion Outward pull on him Change in momentum Change in acceleration Inertia of motion Outward pull on him Change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process by which bubbles from liquid are formed? Degasification Surface Energy Effervescence Surface Tension Degasification Surface Energy Effervescence Surface Tension ANSWER DOWNLOAD EXAMIANS APP
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