Physics Which one among the following doesn't have any effect on velocity of sound ? Humidity Pressure Density Temperature Humidity Pressure Density Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Eraser Laser Maser Grazer Eraser Laser Maser Grazer ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A pair of scissors A ramp A lever The pulley A pair of scissors A ramp A lever The pulley 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 : 0.12777777777778 0.20902777777778 0.12638888888889 0.21111111111111 0.12777777777778 0.20902777777778 0.12638888888889 0.21111111111111 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is the radiation from the earth in the form of long waves. It is the amount of heat which the surface of earth receives from the sun. It is a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation It is the radiation from the earth in the form of long waves. It is the amount of heat which the surface of earth receives from the sun. It is a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has High frequency High intensity Low refraction in the medium Long wavelength High frequency High intensity Low refraction in the medium Long wavelength ANSWER DOWNLOAD EXAMIANS APP
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