Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV > lVIS > lIR LUV < lVIS < lIR LUV < lIR < lVIS LUV > lIR > lVIS LUV > lVIS > lIR LUV < lVIS < lIR LUV < lIR < lVIS LUV > lIR > lVIS ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust is a bad conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They contain free electrons. The atoms are lightly packed. They have high melting point. All of these They contain free electrons. The atoms are lightly packed. They have high melting point. All of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity "Jerk"? Meter per second cube Meter per second square Meter second Meter per second Meter per second cube Meter per second square Meter second Meter per second ANSWER DOWNLOAD EXAMIANS APP
Physics Anemometer is used to measure Wind velocity Wind direction Wind speed and time Pressure gradient Wind velocity Wind direction Wind speed and time Pressure gradient ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is Infinity 3 × 10–8 m/s 3 × 108 m/s 8 × 103 m/s Infinity 3 × 10–8 m/s 3 × 108 m/s 8 × 103 m/s ANSWER DOWNLOAD EXAMIANS APP