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 do not require a medium to propagate. Electromagnetic waves are transverse waves Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves are transverse waves 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 ? 3 metres 4 metres 1 metre 2 metres 3 metres 4 metres 1 metre 2 metres ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Platinum Pure silicon Copper Nichrome Platinum Pure silicon Copper Nichrome ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because It does not form a closed path for the flow of current Its feet are good insulators It has high resistance The body is earthed It does not form a closed path for the flow of current Its feet are good insulators It has high resistance The body is earthed ANSWER DOWNLOAD EXAMIANS APP
Physics Kinetic energy depends on Both mass and velocity of the moving body The mass of the moving body The velocity or speed of the moving body. The pressure of the moving body Both mass and velocity of the moving body The mass of the moving body The velocity or speed of the moving body. The pressure of the moving body ANSWER DOWNLOAD EXAMIANS APP
Physics Identify the vector quantity from the following Time Work Heat Angular momentum Time Work Heat Angular momentum ANSWER DOWNLOAD EXAMIANS APP
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