Physics When a light wave is reflected from a mirror, there is a change in its Velocity Wavelength Frequency Amplitude Velocity Wavelength Frequency Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of All of these Same amplitude Same frequency Same phase All of these Same amplitude Same frequency Same phase ANSWER DOWNLOAD EXAMIANS APP
Physics In nuclear reactor, heavy water is used as Atomic smasher Fuel Coolant Moderator Atomic smasher Fuel Coolant Moderator ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 300 m 3 m 30 m 0.3 m 300 m 3 m 30 m 0.3 m ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of reaction produces the most harmful radiation ? Photo-Chemical reaction Fusion reaction Fission reaction Chemical reaction Photo-Chemical reaction Fusion reaction Fission reaction Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Audible wave Infrasonic wave Ultrasonic wave Microwave Audible wave Infrasonic wave Ultrasonic wave Microwave ANSWER DOWNLOAD EXAMIANS APP