Physics A periscope works by the principle of Reflection Diffraction Refraction Total internal reflection Reflection Diffraction Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Radiation Convection Conduction Both conduction and convection Radiation Convection Conduction Both conduction and convection ANSWER DOWNLOAD EXAMIANS APP
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: 2 T 1 T 8 T 4 T 2 T 1 T 8 T 4 T ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Enrico Fermi Marie Curie Ernest Rutherfor Henri Becquerel Enrico Fermi Marie Curie Ernest Rutherfor Henri Becquerel ANSWER DOWNLOAD EXAMIANS APP
Physics The surface tension of water on adding detergent to it Decreases No change Becomes zero Increases Decreases No change Becomes zero Increases ANSWER DOWNLOAD EXAMIANS APP
Physics The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object. 2 m/sq.s 2 m/s 2 s 2 m 2 m/sq.s 2 m/s 2 s 2 m ANSWER DOWNLOAD EXAMIANS APP
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