Physics Which of the following is not caused by atmospheric refraction of light ? Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 5R/4 3R/4 R/2 2R 5R/4 3R/4 R/2 2R ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Ernest Rutherford Marie Curie Pierre Curie Wilhelm Rontgen Ernest Rutherford Marie Curie Pierre Curie Wilhelm Rontgen ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following has the highest value of specific heat? Copper Glass Water Lead Copper Glass Water Lead ANSWER DOWNLOAD EXAMIANS APP
Physics Electric Motor converts ________ energy to mechanical energy Sound Chemical Mechanical Electrical Sound Chemical Mechanical Electrical ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 273°C 100°C 0°C 4°C 273°C 100°C 0°C 4°C ANSWER DOWNLOAD EXAMIANS APP