Physics Which of the following is not true about X-rays? Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature ANSWER DOWNLOAD EXAMIANS APP
Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: Just before it touches the ground Just after it is dropped When it touches the ground When it is just on the half-way Just before it touches the ground Just after it is dropped When it touches the ground When it is just on the half-way ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Pyrometer Thermocouple Thermistor Thermometer Pyrometer Thermocouple Thermistor Thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is a term connected with : Air Water Soil Sound Air Water Soil Sound ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Carnot-cycle Otto-cycle Diesel-cycle Boyle's-cycle Carnot-cycle Otto-cycle Diesel-cycle Boyle's-cycle ANSWER DOWNLOAD EXAMIANS APP