Physics A copper disc has a hole. If the disc is heated, the size of the hole First increases and than decreases No change Increases Decreases First increases and than decreases No change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 5 cm 10 cm 15 cm 20 cm 5 cm 10 cm 15 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following does the centre of mass lie outside the body? A book A cricket ball A fountain pen A ring A book A cricket ball A fountain pen A ring ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 0.07 nm 7 nm 70 nm 700 nm 0.07 nm 7 nm 70 nm 700 nm ANSWER DOWNLOAD EXAMIANS APP
Physics A balloon filled with hydrogen will Continue going upwards uninterrupted Reach a particular height and start coming down Burst after reaching some height Reach a particular height and remain floating Continue going upwards uninterrupted Reach a particular height and start coming down Burst after reaching some height Reach a particular height and remain floating ANSWER DOWNLOAD EXAMIANS APP
Physics The rate of change of linear momentum of a body falling freely under gravity is equal to it's ________ ? Impulse Potential Energy Weight Kinetic Energy Impulse Potential Energy Weight Kinetic Energy ANSWER DOWNLOAD EXAMIANS APP
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