Physics Red light is used for signals because it has High intensity High frequency Long wavelength Low refraction in the medium High intensity High frequency Long wavelength Low refraction in the medium ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 2.0958333333333 1.0479166666667 0.12847222222222 0.21041666666667 2.0958333333333 1.0479166666667 0.12847222222222 0.21041666666667 ANSWER DOWNLOAD EXAMIANS APP
Physics Where do the electrical charges reside in a charged conductor? At the core Depended upon the nature of the body Throughout the body Outer surface of the body At the core Depended upon the nature of the body Throughout the body Outer surface of the body ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air ANSWER DOWNLOAD EXAMIANS APP
Physics Siphon will fail to work if: The level of the liquid in the two vessels are at the same height. The densities of the liquid in the two vessels are equal. The temperature of the liquids in the two vessels are the same. Both its limbs are of unequal length. The level of the liquid in the two vessels are at the same height. The densities of the liquid in the two vessels are equal. The temperature of the liquids in the two vessels are the same. Both its limbs are of unequal length. ANSWER DOWNLOAD EXAMIANS APP
Physics Electrons carry a Variable Charge Positive Charge Negative Charge Neutral Charge Variable Charge Positive Charge Negative Charge Neutral Charge ANSWER DOWNLOAD EXAMIANS APP