Physics Sound of frequency below 20 Hz is called audio sounds infrasonic ultrasonic supersonics audio sounds infrasonic ultrasonic supersonics ANSWER DOWNLOAD EXAMIANS APP
Physics Newton's first law of motion gives the concept of Work Inertia Momentum Energy Work Inertia Momentum Energy ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron absorption Atomic emission Atomic absorption Electron emission Electron absorption Atomic emission Atomic absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used for regulated electric supply ? Tunnel diode Gun diode Junction diode Zener diode Tunnel diode Gun diode Junction diode Zener diode ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Sphere Cube Circular plate All will cool at the same rate Sphere Cube Circular plate All will cool at the same rate ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Velocity Frequency Wavelength Amplitude Velocity Frequency Wavelength Amplitude ANSWER DOWNLOAD EXAMIANS APP