Physics Stars twinkle because the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics 'Parsec' is the unit measurement of Density of stars Orbital velocity of giant stars Brightness of heavenly bodies Astronomical distance Density of stars Orbital velocity of giant stars Brightness of heavenly bodies Astronomical distance ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Steel Vacuum Water Air Steel Vacuum Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics If the current flowing through a circuit is 0.6 A for 6 mins, the amount of electric charge flowing through it is ________ 36 C 360C 60 C 216 C 36 C 360C 60 C 216 C ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following produces more severe burns ? Steam Melting iceberg Hot water Boiling water Steam Melting iceberg Hot water Boiling water ANSWER DOWNLOAD EXAMIANS APP
Physics Energy per unit volume is dimensionally equal to Force Density Work Pressure Force Density Work Pressure ANSWER DOWNLOAD EXAMIANS APP