Physics Convex mirror is generally used in ________ Solar cookers Reflector for head light Opthalmoscope Rear view mirror Solar cookers Reflector for head light Opthalmoscope Rear view mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit X-rays radio waves visible light ultraviolet light X-rays radio waves visible light ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Half No change Four times Two times Half No change Four times Two times ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these liquids has the highest viscosity? Milk Water Syrup Pineapple juice Milk Water Syrup Pineapple juice ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 2000 1000 0.008 0.016 2000 1000 0.008 0.016 ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has low temperature coefficient of expansion Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has low temperature coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
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