Physics Every hot object emits ________ Infrared rays Visible light Ultraviolet rays X–rays Infrared rays Visible light Ultraviolet rays X–rays ANSWER DOWNLOAD EXAMIANS APP
Physics Relative humidity is expressed as Ratio Percentage Kilograms Grams Ratio Percentage Kilograms Grams ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of temperature? Joule Kelvin Celsius Fahrenheit Joule Kelvin Celsius Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Will increase first and then dcrease Increase Remain constant Dacrease Will increase first and then dcrease Increase Remain constant Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Sonar Altimeter Radar Venturimeter Sonar Altimeter Radar Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.12638888888889 0.21111111111111 0.20902777777778 0.12777777777778 0.12638888888889 0.21111111111111 0.20902777777778 0.12777777777778 ANSWER DOWNLOAD EXAMIANS APP