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 Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape ANSWER DOWNLOAD EXAMIANS APP
Physics The moment of inertia of a body does not depend upon The mass distribution in the body The mass of the body The axis of rotation of the body The angular speed of the body The mass distribution in the body The mass of the body The axis of rotation of the body The angular speed of the body ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The focal length of the lens Size of the camera The exposure time The aperture The focal length of the lens Size of the camera The exposure time The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics The sparkling of a diamond is due to Total internal reflection of light Refraction of light Interference of light Polarisation of light Total internal reflection of light Refraction of light Interference of light Polarisation of light ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of energy in MKS system is Joule Volt Ohm Erg Joule Volt Ohm Erg ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature which has the same reading on both Fahrenheit and Celsius scales is 40° 0° 32° –40° 40° 0° 32° –40° ANSWER DOWNLOAD EXAMIANS APP
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