Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 4.2 seconds 42 years 4.2 years 42 seconds 4.2 seconds 42 years 4.2 years ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following events occurred first ? Albert Einstein propounded the General Theory of Relativity Max Planck unveiled the Quantum Theory Madame Marie Curie became the first woman Nobel Prize winner Marconi first tranmitted a wireless signal Albert Einstein propounded the General Theory of Relativity Max Planck unveiled the Quantum Theory Madame Marie Curie became the first woman Nobel Prize winner Marconi first tranmitted a wireless signal ANSWER DOWNLOAD EXAMIANS APP
Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 30 cm. 90 cm. 60 cm. 120 cm. 30 cm. 90 cm. 60 cm. 120 cm. 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 2R R/2 3R/4 5R/4 2R R/2 3R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Einstein Romer Galileo Newton Einstein Romer Galileo Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Materials that allow electricity to flow are called Electron flows Conductors Stimulators Insulators Electron flows Conductors Stimulators Insulators ANSWER DOWNLOAD EXAMIANS APP
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