Physics The bats can fly in the dark because They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves They generate flashes of light They can see the objects in darkness They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves They generate flashes of light They can see the objects in darkness ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of motion Centre of mass Centre of gravity Dead centre Centre of motion Centre of mass Centre of gravity Dead centre ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process of production of energy in the Sun Nuclear fusion Ionization Nuclear fission Radioactivity Nuclear fusion Ionization Nuclear fission Radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 20 J 50 J 30 J 40 J 20 J 50 J 30 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Solar cell panel Solar heater Solar cooker Battery Solar cell panel Solar heater Solar cooker Battery ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Microphone Gramophone Loudspeaker Solar cell Microphone Gramophone Loudspeaker Solar cell ANSWER DOWNLOAD EXAMIANS APP
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