Physics Super conductors are substances that Conduct electricity at low temperature Offer high resistance to the flow of electric current Offer minimum resistance to flow of electric current Conduct electricity at high temperature Conduct electricity at low temperature Offer high resistance to the flow of electric current Offer minimum resistance to flow of electric current Conduct electricity at high temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are Charged particles emitted by nucleus Electromagnetic radiations The electrons orbiting around the nucleus Neutral particles Charged particles emitted by nucleus Electromagnetic radiations The electrons orbiting around the nucleus Neutral particles ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear Reactors are based on which of the following phenomenon? Magnetic confinement of Plasma Controlled Nuclear Fission Nuclear Fusion None of these Magnetic confinement of Plasma Controlled Nuclear Fission Nuclear Fusion None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The angle between the ________ and the incident ray is called the angle of incidence. Tangent Reflected ray Normal Surface Tangent Reflected ray Normal Surface ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 4 metres 3 metres 1 metre 2 metres 4 metres 3 metres 1 metre 2 metres ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
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