Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Decrease Increase Have its shape changed Remain unaffected Decrease Increase Have its shape changed Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Physics Oil raise up the wick in a lamp. The principle involves the liquid state of oil capillary action phenomenon volatility of oil the diffusion of oil through the wick the liquid state of oil capillary action phenomenon volatility of oil the diffusion of oil through the wick ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 24 cm 6 cm 1 cm 12 cm 24 cm 6 cm 1 cm 12 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Radiation Conduction Both conduction and convection Convection Radiation Conduction Both conduction and convection Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Orange Yellow Green Blue Orange Yellow Green Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a good electrical conductor? Peat Graphite Charcoal Diamond Peat Graphite Charcoal Diamond ANSWER DOWNLOAD EXAMIANS APP
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