Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Thermocouple Pyrometer Thermistor Thermometer Thermocouple Pyrometer Thermistor Thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Both the heating effect of current and hysteresis loss The heating effect of current alone Hysteresis loss alone Intense sunlight at noon Both the heating effect of current and hysteresis loss The heating effect of current alone Hysteresis loss alone Intense sunlight at noon ANSWER DOWNLOAD EXAMIANS APP
Physics The swing of a spinning cricket ball in air can be explained on the basis of Bernoulli's theorem. Turbulence caused by wind. Sudden change in wind direction. Buoyancy of air. Bernoulli's theorem. Turbulence caused by wind. Sudden change in wind direction. Buoyancy of air. ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are convex. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are convex. ANSWER DOWNLOAD EXAMIANS APP
Physics The energy stored in a watch spring is Heat energy Kinetic energy Chemical energy Potential energy Heat energy Kinetic energy Chemical energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is a magnifying glass? Diverging Achromatic Converging Spherical Diverging Achromatic Converging Spherical ANSWER DOWNLOAD EXAMIANS APP
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