Physics Which one of the following reflects back more sunlight as compared to other three? Paddy crop land Prairie land Land covered with fresh snow Sand desert Paddy crop land Prairie land Land covered with fresh snow Sand desert ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Spectrometer Telescope Microscope Photometer Spectrometer Telescope Microscope Photometer ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 6 cm 24 cm 12 cm 1 cm 6 cm 24 cm 12 cm 1 cm ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has a very low specific heat Has high temperature coefficient of expansion Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has high temperature coefficient of expansion Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands ANSWER DOWNLOAD EXAMIANS APP
Physics The height of a geo-stationary satellite from the Earth's surface is approximately : 42,000 km 30,000 km 36,000 km None of these 42,000 km 30,000 km 36,000 km None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which liquid is the most viscous? Milk Water Diesel Oil Milk Water Diesel Oil ANSWER DOWNLOAD EXAMIANS APP
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