Physics When a ring of metal is heated what happens to its hole ? Contracts Expands It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Contracts Expands It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. Microwave, infrared, visible. X-rays Visible, infrared, microwave, X-rays X - rays, infrared, visible, microwave X -rays, visible, infrared, microwave Microwave, infrared, visible. X-rays Visible, infrared, microwave, X-rays X - rays, infrared, visible, microwave X -rays, visible, infrared, microwave ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Keep the rails equidistant ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms an image which is Real and erect Real and inverted Virtual and inverted Virtual and erect Real and erect Real and inverted Virtual and inverted Virtual and erect ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Viscosity ? Watt per meter per degree celcius Joule per kilogram per Kelvin Coulomb Newton second per square meter Watt per meter per degree celcius Joule per kilogram per Kelvin Coulomb Newton second per square meter ANSWER DOWNLOAD EXAMIANS APP
Physics Universal gates are AND and OR AND and XOR NAND and NOR OR and NOT AND and OR AND and XOR NAND and NOR OR and NOT ANSWER DOWNLOAD EXAMIANS APP
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