Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 30 db Above 80 db Above 50 db Above 120 db Above 30 db Above 80 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
Physics Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water Increases slightly Decreases rapidly Decreases slightly Increases to a great extent Increases slightly Decreases rapidly Decreases slightly Increases to a great extent ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Travel with the speed of light Have low penetrating power Can be reflected or refracted Can affect photographic plates Travel with the speed of light Have low penetrating power Can be reflected or refracted Can affect photographic plates ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nichrome Tungsten Chromium Nickel Nichrome Tungsten Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of gravitational field of earth is maximum at Equator Surface Poles Centre of earth Equator Surface Poles Centre of earth ANSWER DOWNLOAD EXAMIANS APP
Physics To convert temperature from Celcius to Kelvin scale, you must ________ the given temperature. Multiply 273 Subtract 273 Divide by 273 Add 273 Multiply 273 Subtract 273 Divide by 273 Add 273 ANSWER DOWNLOAD EXAMIANS APP