Physics What is the unit of the physical quantity Entropy? Newton per kelvin Watt per kelvin Pascal per kelvin Joule per kelvin Newton per kelvin Watt per kelvin Pascal per kelvin Joule per kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because They are very far away from the earth resulting in decrease in intensity of light They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. Their distance from the earth does not change with time They are very far away from the earth resulting in decrease in intensity of light They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. Their distance from the earth does not change with time ANSWER DOWNLOAD EXAMIANS APP
Physics Hydroscope is an instrument that shows changes in: Sound under water None of these Density of liquid Atmospheric humidity Sound under water None of these Density of liquid Atmospheric humidity ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Interference Scattering Total internal reflection Refraction Interference Scattering Total internal reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The pitch of sound depends on its Intensity Amplitude Velocity Frequency Intensity Amplitude Velocity Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : Intermediate wavelengths only Higher wavelengths only All wavelengths Lower wavelengths only Intermediate wavelengths only Higher wavelengths only All wavelengths Lower wavelengths only ANSWER DOWNLOAD EXAMIANS APP