Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Work with increased efficiency Work as efficiently as on the earth Work with reduced efficiency Not work at all Work with increased efficiency Work as efficiently as on the earth Work with reduced efficiency Not work at all ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can neither be created or destroyed Energy can neither be created nor destroyed Energy can either be created or destroyed Energy can either be created nor destroyed Energy can neither be created or destroyed Energy can neither be created nor destroyed Energy can either be created or destroyed Energy can either be created nor destroyed ANSWER DOWNLOAD EXAMIANS APP
Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Becomes zero Remains the same Becomes double Becomes half Becomes zero Remains the same Becomes double Becomes half ANSWER DOWNLOAD EXAMIANS APP
Physics Which physicists is the writer of the book 'A Brief History of Time'? Albert Einstein Isaac Newton Hans Bethe Stephen Hawking Albert Einstein Isaac Newton Hans Bethe Stephen Hawking ANSWER DOWNLOAD EXAMIANS APP
Physics Supercooling is cooling of liquid ________ At melting point Below freezing point Below melting point Above melting point At melting point Below freezing point Below melting point Above melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of displacement is known as ________ Distance Speed Velocity Acceleration Distance Speed Velocity Acceleration ANSWER DOWNLOAD EXAMIANS APP
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