Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°F 0°C 4°C 0°F 4°F 0°C 4°C 0°F ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Frequency Acceleration Displacement Velocity Frequency Acceleration Displacement Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Materials for rain-proof coats and tents owe their water-proof properties to viscosity specific gravity elasticity surface tension viscosity specific gravity elasticity surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 5 Km/Sec. 15 Km/Sec. 6 Km/Sec. 11 Km/Sec. 5 Km/Sec. 15 Km/Sec. 6 Km/Sec. 11 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Instability due to negative resistance Very wide temperature range of operations Very low power consumptions Extremely high frequency response Instability due to negative resistance Very wide temperature range of operations Very low power consumptions Extremely high frequency response ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. ANSWER DOWNLOAD EXAMIANS APP