Physics In a Laser (say neon laser) all the atoms emit the light waves of Same amplitude All of these Same frequency Same phase Same amplitude All of these Same frequency Same phase ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Cathode ray oscilloscope Spectrometer P – n junction diode Sonometer Cathode ray oscilloscope Spectrometer P – n junction diode Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Infrasonics Ultrasonics Audible sounds Megasonics Infrasonics Ultrasonics Audible sounds Megasonics ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Galileo Romer Einstein Newton Galileo Romer Einstein Newton ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of light associated with the appearance of blue colour of the sky is Scattering Reflection Refraction Interference Scattering Reflection Refraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Skids occur when the brakes are applied so hard that the front or rear wheels lose traction are called as Braking Cornering Blowout Power Braking Cornering Blowout Power ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS