Physics The different colours of different stars are due to the variation of Density Radiation from them Pressure Temperature Density Radiation from them Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of ships aircraft spacecraft sound ships aircraft spacecraft sound ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Gamma-rays and ultraviolet region Ultraviolet and visible region Short radio waves and long radio waves Visible and infra-red region Gamma-rays and ultraviolet region Ultraviolet and visible region Short radio waves and long radio waves Visible and infra-red region ANSWER DOWNLOAD EXAMIANS APP
Physics Electric current is measured by which instrument? Ammeter Voltmeter Barometer Sinometer Ammeter Voltmeter Barometer Sinometer ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current decreases with voltage Photo current increases with voltage Photo electric emission is not possible Photo current is constant Photo current decreases with voltage Photo current increases with voltage Photo electric emission is not possible Photo current is constant ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because They emit light of a constant intensity They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They are nearer to earth and hence we receive a greater amount of light. They emit light of a constant intensity They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They are nearer to earth and hence we receive a greater amount of light. ANSWER DOWNLOAD EXAMIANS APP