Physics Optical fibre works on the interference total internal reflection scattering principle of refraction interference total internal reflection scattering principle of refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Henri Becquerel Marie Curie Enrico Fermi Ernest Rutherfor Henri Becquerel Marie Curie Enrico Fermi Ernest Rutherfor ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Refraction Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Gamma radiation Microwave radiation Ultra-violet radiation Infra-red radiation Gamma radiation Microwave radiation Ultra-violet radiation Infra-red radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A standing wave occurs when A wave reflects upon itself Two waves overlap The amplitude of a wave exceeds its wavelength The speed of the wave is zero or near zero A wave reflects upon itself Two waves overlap The amplitude of a wave exceeds its wavelength The speed of the wave is zero or near zero ANSWER DOWNLOAD EXAMIANS APP
Physics Air moves from the region where the air ________ Pressure is low to the region where the pressure is high Humidity is low to the region where the humidity is high Pressure is high to the region where the pressure is low Humidity is high to the region where the humidity is low Pressure is low to the region where the pressure is high Humidity is low to the region where the humidity is high Pressure is high to the region where the pressure is low Humidity is high to the region where the humidity is low ANSWER DOWNLOAD EXAMIANS APP
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