Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) The silver piece will weigh more Weighing will depend on their masses Both silver and gold pieces weigh equal The gold piece will weigh more The silver piece will weigh more Weighing will depend on their masses Both silver and gold pieces weigh equal The gold piece will weigh more ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Metal reflects radiowaves Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Metal reflects radiowaves ANSWER DOWNLOAD EXAMIANS APP
Physics Electrostatic precipitator is used to control the pollution of Noise Water Air Thermal Noise Water Air Thermal ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 1300 A°–3000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 1300 A°–3000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics In MRI machine, which one of the following is used? X-ray Sound wave Magnetic wave Ultra-sound wave X-ray Sound wave Magnetic wave Ultra-sound wave ANSWER DOWNLOAD EXAMIANS APP
Physics A standing wave occurs when The amplitude of a wave exceeds its wavelength The speed of the wave is zero or near zero A wave reflects upon itself Two waves overlap The amplitude of a wave exceeds its wavelength The speed of the wave is zero or near zero A wave reflects upon itself Two waves overlap ANSWER DOWNLOAD EXAMIANS APP