Physics Which of the following has the highest frequency? Cosmic rays Radio waves Microwaves X-rays Cosmic rays Radio waves Microwaves X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Brightness of bulb depends on voltage or current? Both A & B None Voltage Current Both A & B None Voltage Current ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Water, iron and air Iron, water and air Air, water and iron Iron, air and water Water, iron and air Iron, water and air Air, water and iron Iron, air and water ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Half Four times One–fourth Double Half Four times One–fourth Double ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It has a high latent heat of fusion It has a low specific heat capacity It becomes very hard It reflects most of the heat from the sun It has a high latent heat of fusion It has a low specific heat capacity It becomes very hard It reflects most of the heat from the sun ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope that has one lens. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are convex. A microscope that has one lens. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are convex. ANSWER DOWNLOAD EXAMIANS APP
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