Physics Water pipes in hilly areas often burst on a cold frosty night, because None of these Water in the pipes freezes and on freezing water expands, so pipes break The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break None of these Water in the pipes freezes and on freezing water expands, so pipes break The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Frequency Speed Amplitude Wavelength Frequency Speed Amplitude Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature at which water boils depends mainly on Air Pressure Relative humidity Specific heat Density Air Pressure Relative humidity Specific heat Density ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ Visible light Infrared rays Ultraviolet rays X–rays Visible light Infrared rays Ultraviolet rays X–rays ANSWER DOWNLOAD EXAMIANS APP
Physics The safest hammers are those with heads that are Cast steel and chiseled Chiseled and drop forged Welded and alloyed Alloy and drop-forged steel Cast steel and chiseled Chiseled and drop forged Welded and alloyed Alloy and drop-forged steel ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound is more in Steel Wood Water Air Steel Wood Water Air ANSWER DOWNLOAD EXAMIANS APP
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