Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Reflection Forced vibrations Damped vibrations Refraction Reflection Forced vibrations Damped vibrations Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The radiation initially produced in fluorescent tube is Ultraviolet Infrared Microwaves X-rays Ultraviolet Infrared Microwaves X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Time of exposure required for taking photograph of an object depends upon the Brightness of the object Proximity of object Skill of photographer Size of the object Brightness of the object Proximity of object Skill of photographer Size of the object ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is Oscillator Amplifier None of these Rectifier Oscillator Amplifier None of these Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts AC voltage to D.C. voltage Converts DC to AC Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts DC to AC Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Optical Fibre technology works on which of these principles of Physics? Newton's law of Motion Bernoulli's Principle Photoelectric effect Total internal reflection of Light Newton's law of Motion Bernoulli's Principle Photoelectric effect Total internal reflection of Light ANSWER DOWNLOAD EXAMIANS APP