Physics Every hot object emits ________ Ultraviolet rays Infrared rays Visible light X–rays Ultraviolet rays Infrared rays Visible light X–rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of the wheels of a bullock-cart while moving on the road is an example of Oscillatory and rotatory motion Translatory motion only Translatory and rotatory motion Oscillatory and translatory motion Oscillatory and rotatory motion Translatory motion only Translatory and rotatory motion Oscillatory and translatory motion ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a non renewable source of energy ? Wind Coal Solar Biogas Wind Coal Solar Biogas ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Depends on the impurities in the ice Decreases Does not change Increases Depends on the impurities in the ice Decreases Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
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