Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 1 T 4 T 8 T 2 T 1 T 4 T 8 T 2 T ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Concave None of these Convex Plano-concave Concave None of these Convex Plano-concave ANSWER DOWNLOAD EXAMIANS APP
Physics Supersonic plane fly with the speed greater than the speed of sound of sound less than the speed of sound of light greater than the speed of sound of sound less than the speed of sound of light ANSWER DOWNLOAD EXAMIANS APP
Physics If the temperature of a place increases suddenly, the relative humidity Decreases Fluctuates Remains constant Increases Decreases Fluctuates Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has High intensity Long wavelength High frequency Low refraction in the medium High intensity Long wavelength High frequency Low refraction in the medium ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave the Theory of Relativity? Archimedes Albert Einstein Galileo Galilei Isaac Newton Archimedes Albert Einstein Galileo Galilei Isaac Newton ANSWER DOWNLOAD EXAMIANS APP