Physics It is dangerous to observe Solar eclipse with naked eyes because Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Cosmic rays reach eyes more during the eclipse ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pairs of physical quantities have the same dimensions? Work and Energy Momentum and Power Work and Power Force and Power Work and Energy Momentum and Power Work and Power Force and Power ANSWER DOWNLOAD EXAMIANS APP
Physics A drop of liquid assumes spherical shape because: Inter molecular forces are weak in liquids Intermolecular forces are strong in liquids A sphere has the least surface area for a given volume A sphere has the largest surface area for a given volume Inter molecular forces are weak in liquids Intermolecular forces are strong in liquids A sphere has the least surface area for a given volume A sphere has the largest surface area for a given volume ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Heat energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy Magnetic energy into electrical energy Heat energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy Magnetic energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is a good conductor It is malleable It has a very high melting point It is economical It is a good conductor It is malleable It has a very high melting point It is economical ANSWER DOWNLOAD EXAMIANS APP
Physics 0°K is equivalent to – 273°C 0°C 273°C 100°C – 273°C 0°C 273°C 100°C ANSWER DOWNLOAD EXAMIANS APP
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