Physics Period of oscillation of 3 cm microwaves in seconds is 0.01 1 × 1010 0.001 1 × 10–10 0.01 1 × 1010 0.001 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies Behind his feet Ahead of his feet At the centre of the body To the left side of the body Behind his feet Ahead of his feet At the centre of the body To the left side of the body ANSWER DOWNLOAD EXAMIANS APP
Physics A wire carrying current is Negatively charged Charged with a type depending upon current strength Neutral Positively charged Negatively charged Charged with a type depending upon current strength Neutral Positively charged ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Scattering of shorter wavelengths of sunlight in the atmosphere Reflection of sunlight Refraction of sunlight Scattering of longer wavelengths of sunlight in the atmosphere Scattering of shorter wavelengths of sunlight in the atmosphere Reflection of sunlight Refraction of sunlight Scattering of longer wavelengths of sunlight in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In AC circuits, AC meters measure Peak values Mean values Rms values Mean square values Peak values Mean values Rms values Mean square values ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Absence of gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside ANSWER DOWNLOAD EXAMIANS APP