Physics The frequency used in TV and radar system lies in HF UHF VHF SHF HF UHF VHF SHF ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity Entropy? Newton per kelvin Joule per kelvin Pascal per kelvin Watt per kelvin Newton per kelvin Joule per kelvin Pascal per kelvin Watt per kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Disk Sphere Depends on their masses Both reach at the same time Disk Sphere Depends on their masses Both reach at the same time ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan gives cool air. We feel cool when air touches the body. Fan cools surrounding air. Air vapourises the sweat on our body. Fan gives cool air. We feel cool when air touches the body. Fan cools surrounding air. Air vapourises the sweat on our body. ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become 14C C/7 C 7C 14C C/7 C 7C ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Microwave radiation Infrared rays Ultra-violet radiation X-rays Microwave radiation Infrared rays Ultra-violet radiation X-rays ANSWER DOWNLOAD EXAMIANS APP
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