Physics Thermal expansion of materials arises from Weak bonds Thermal vibrations Strong bonds Asymmetry of potential energy curve Weak bonds Thermal vibrations Strong bonds Asymmetry of potential energy curve ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Half Four times Two times No change Half Four times Two times No change ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Tungsten Nichrome Nickel Chromium Tungsten Nichrome Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because The body is earthed Its feet are good insulators It does not form a closed path for the flow of current It has high resistance The body is earthed Its feet are good insulators It does not form a closed path for the flow of current It has high resistance ANSWER DOWNLOAD EXAMIANS APP
Physics The angle between the ________ and the incident ray is called the angle of incidence. Tangent Reflected ray Surface Normal Tangent Reflected ray Surface Normal ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Newton's first law of motion Backward thrust of gases produced Newton's third law of motion Conservation of energy Newton's first law of motion Backward thrust of gases produced Newton's third law of motion Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
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