Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Square of the semi-major axis Semi-major axis Cube of the semi-major axis Fourth power of the semi-major axis Square of the semi-major axis Semi-major axis Cube of the semi-major axis Fourth power of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Moist air absorbs sound Moist air does not absorb sound Sound travels slowly in moist air Sound travels faster in moist air Moist air absorbs sound Moist air does not absorb sound Sound travels slowly in moist air Sound travels faster in moist air ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Chlorine Ammonia Ozone Carbon dioxide Chlorine Ammonia Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics For a freely falling body, the sum of kinetic energy and potential energy is always Same Zero Unity Variable Same Zero Unity Variable ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following criterion is used for any metal to be used as a cooking material ? Less electrical conductivity More specific heat Less thermal conductivity More thermal conductivity Less electrical conductivity More specific heat Less thermal conductivity More thermal conductivity ANSWER DOWNLOAD EXAMIANS APP