Physics Conversion of sound energy into electrical energy is done by Loudspeaker Gramophone Solar cell Microphone Loudspeaker Gramophone Solar cell Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Cosmic rays reach eyes more during the eclipse All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer above the surface of Earth provides a shield against Infra-red rays X-rays Gamma rays Ultra-violet rays Infra-red rays X-rays Gamma rays Ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics What is a neuron ? Basic unit of energy The anti-particle of neutron Particle released during radioactivity Basic unit of nervous system Basic unit of energy The anti-particle of neutron Particle released during radioactivity Basic unit of nervous system ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Erect image Real image Inverted image Virtual image Erect image Real image Inverted image Virtual image ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1 2 1.2 1.5 1 2 1.2 1.5 ANSWER DOWNLOAD EXAMIANS APP
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