Physics Why the needle of iron swims on water surface when it is kept gently ? The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension Due to its shape ANSWER DOWNLOAD EXAMIANS APP
Physics Clouds float in the atmosphere because of their Low viscosity Low pressure Low temperature Low density Low viscosity Low pressure Low temperature Low density ANSWER DOWNLOAD EXAMIANS APP
Physics Knot is a measure of Intensity of earthquake shock The curvature of spherical objects The speed of ship Solar radiation Intensity of earthquake shock The curvature of spherical objects The speed of ship Solar radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A person does some work of 1,000 J in 2 s. His power will be ________ 500W 1000W 50W 25W 500W 1000W 50W 25W ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Frequency Temperature Wavelength None of these Frequency Temperature Wavelength None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Diffraction Reflection Polarization Interference Diffraction Reflection Polarization Interference ANSWER DOWNLOAD EXAMIANS APP
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