Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 42 years 4.2 years 4.2 seconds 42 seconds 42 years 4.2 years 4.2 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics When a barometer reading suddenly recedes, it indicates that climate– Incessant rain for at least 48 Will be very warm Will be extremely stormy Will remain cold Incessant rain for at least 48 Will be very warm Will be extremely stormy Will remain cold ANSWER DOWNLOAD EXAMIANS APP
Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Magnetic force Muscular force Electrostatic force Friction Magnetic force Muscular force Electrostatic force Friction ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Oscillators Rectifiers Amplifiers None of these Oscillators Rectifiers Amplifiers None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Metal reflects radiowaves Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Metal reflects radiowaves Spark plug creates electromagnetic disturbances ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnet is constructed with which of the following ? Nickel Soft Iron Steel Aluminium Nickel Soft Iron Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP