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 are transverse waves Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following cannot be used for making lenses? Soil Water Plastic Glass Soil Water Plastic Glass ANSWER DOWNLOAD EXAMIANS APP
Physics Air coolers are more suitable for Cool and humid climate Hot and dry climate Cool and dry climate Hot and humid climate Cool and humid climate Hot and dry climate Cool and dry climate Hot and humid climate ANSWER DOWNLOAD EXAMIANS APP
Physics Wind and solar energy are examples of Limited Non renewable Renewable Unsustainable Limited Non renewable Renewable Unsustainable ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is the unit used for Intensity of sound Intensity of heat Radio wave frequency Speed of light Intensity of sound Intensity of heat Radio wave frequency Speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current decreases with voltage Photo electric emission is not possible Photo current increases with voltage Photo current is constant Photo current decreases with voltage Photo electric emission is not possible Photo current increases with voltage Photo current is constant ANSWER DOWNLOAD EXAMIANS APP