Physics A doppler effect occurs when a source of sound moves Towards you Away from you None of these Both A & B Towards you Away from you None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Sonar Altimeter Venturimeter Radar Sonar Altimeter Venturimeter Radar ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is a mode of transfer of heat through matter by molecular activity. It is the radiation from the earth in the form of long waves. It is the balance between incoming and outgoing radiation It is the amount of heat which the surface of earth receives from the sun. It is a mode of transfer of heat through matter by molecular activity. It is the radiation from the earth in the form of long waves. It is the balance between incoming and outgoing radiation It is the amount of heat which the surface of earth receives from the sun. 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 the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. 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 the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics Which has the lowest albedo? Dark surfaces Both A & B Light surfaces None of these Dark surfaces Both A & B Light surfaces None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire None of these Both of these Circle the wire in closed loops Extend radially from the wire None of these Both of these Circle the wire in closed loops Extend radially from the wire ANSWER DOWNLOAD EXAMIANS APP
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