Physics The velocity of the sound is highest in Vacuum Air Water Metal Vacuum Air Water Metal ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Stratosphere Ozonosphere Mesosphere Ionosphere Stratosphere Ozonosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves are transverse waves Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves are transverse waves Electromagnetic waves do not require a medium to propagate. ANSWER DOWNLOAD EXAMIANS APP
Physics A photostat machine works on Magnetic image making Electromagnetic image making Thermal image making Electrostatic image making Magnetic image making Electromagnetic image making Thermal image making Electrostatic image making ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 years 42 seconds 4.2 seconds 42 years 4.2 years 42 seconds 4.2 seconds 42 years ANSWER DOWNLOAD EXAMIANS APP
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