Physics Sound of frequency below 20 Hz is called supersonics infrasonic audio sounds ultrasonic supersonics infrasonic audio sounds ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has high temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 0.2 J 20 J 5 J 500 J 0.2 J 20 J 5 J 500 J ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Increasing the height of water in the vessel Increasing the radius of the capillary tube None of these Decreasing the radius of the capillary tube Increasing the height of water in the vessel Increasing the radius of the capillary tube None of these Decreasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The blood pressure of a person increases at high altitudes The blood pressure fluctuates and finally decreases drastically The pressure of blood in capillaries is greater than the outside pressure The pressure at high altitudes is greater than that on the plains The blood pressure of a person increases at high altitudes The blood pressure fluctuates and finally decreases drastically The pressure of blood in capillaries is greater than the outside pressure The pressure at high altitudes is greater than that on the plains ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Heat Light Sound Electromagnetic Heat Light Sound Electromagnetic ANSWER DOWNLOAD EXAMIANS APP
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