Physics It is dangerous to observe Solar eclipse with naked eyes because Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse All radiations from sun initiate chemical reactions in eyes ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. mercury is a metal. cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. mercury is a metal. cohesion of water is greater than its adhesion with glass. ANSWER DOWNLOAD EXAMIANS APP
Physics When does land breeze occur? Fall Winter Hot summer Both A & B Fall Winter Hot summer Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be Double Same One Fourth Half Double Same One Fourth Half ANSWER DOWNLOAD EXAMIANS APP
Physics Mica is used in electrical appliances such as electric iron because mica is a good conductor of heat as well as electricity a bad conductor of heat as well as electricity a good conductor of heat but a bad conductor of electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat as well as electricity a bad conductor of heat as well as electricity a good conductor of heat but a bad conductor of electricity a bad conductor of heat but a good conductor of electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following developed the technology of underground nuclear explosion ? Dr. P. K. Iyengar Dr. Vikram Sarabhai Dr. Raja Ramanna Dr. Homi J. Bhabha Dr. P. K. Iyengar Dr. Vikram Sarabhai Dr. Raja Ramanna Dr. Homi J. Bhabha ANSWER DOWNLOAD EXAMIANS APP