Physics In SONAR which kind of wave is used? Radio Audible sound Infrasonic Ultrasonic Radio Audible sound Infrasonic Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Platinum Copper Pure silicon Nichrome Platinum Copper Pure silicon Nichrome ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbows are produced when sunlight : Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction None of the given statements is correct. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction None of the given statements is correct. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies At the centre of the body Ahead of his feet Behind his feet To the left side of the body At the centre of the body Ahead of his feet Behind his feet To the left side of the body ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Earth's magnetic field Self-demagnetization Effect of other magnets Demagnetization due to heating Earth's magnetic field Self-demagnetization Effect of other magnets Demagnetization due to heating ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of change in direction of light when it passes from one medium to another is called Reflection Dispersion Refraction Propagation Reflection Dispersion Refraction Propagation ANSWER DOWNLOAD EXAMIANS APP
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