Physics What is the minimum escape velocity of rocket to be launched into space ? 6 Km/Sec. 15 Km/Sec. 11 Km/Sec. 5 Km/Sec. 6 Km/Sec. 15 Km/Sec. 11 Km/Sec. 5 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
Physics Holography is a technique of Recording a permanent three dimensional black and white photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional multicolour photograph Recording a permanent three dimensional black and white photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional multicolour photograph ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following criterion is used for any metal to be used as a cooking material ? More thermal conductivity More specific heat Less electrical conductivity Less thermal conductivity More thermal conductivity More specific heat Less electrical conductivity Less thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are Earth's heat None of these Both A & B Water Earth's heat None of these Both A & B Water ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Diffraction Refraction Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A drop of liquid assumes spherical shape because: A sphere has the largest surface area for a given volume Inter molecular forces are weak in liquids A sphere has the least surface area for a given volume Intermolecular forces are strong in liquids A sphere has the largest surface area for a given volume Inter molecular forces are weak in liquids A sphere has the least surface area for a given volume Intermolecular forces are strong in liquids ANSWER DOWNLOAD EXAMIANS APP