Physics Optical fibre works on the interference total internal reflection principle of refraction scattering interference total internal reflection principle of refraction scattering ANSWER DOWNLOAD EXAMIANS APP
Physics When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance ? Half Four times Two times One-fourth Half Four times Two times One-fourth ANSWER DOWNLOAD EXAMIANS APP
Physics When a running car stops suddenly, the passengers tends to lean forward because of: Inertia of motion Gravitational force Centrifugal force Inertia of rest Inertia of motion Gravitational force Centrifugal force Inertia of rest ANSWER DOWNLOAD EXAMIANS APP
Physics A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle At a higher elevation than the bird At the lower elevation than the bird Vertically upwards In the same direction as the bird At a higher elevation than the bird At the lower elevation than the bird Vertically upwards In the same direction as the bird ANSWER DOWNLOAD EXAMIANS APP
Physics Circuit breaker usually operate under Sub-transient state of short-circuit current Steady state of short-circuit current Transient state of short-circuit current After D. C. component has ceased Sub-transient state of short-circuit current Steady state of short-circuit current Transient state of short-circuit current After D. C. component has ceased ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? Atomic clocks White dwarfs Quartz clocks Pulsars Atomic clocks White dwarfs Quartz clocks Pulsars ANSWER DOWNLOAD EXAMIANS APP