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 its shape Due to surface tension 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 its shape Due to surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics How much calorie of energy is released by a boiled egg ? 40 50 77 60 40 50 77 60 ANSWER DOWNLOAD EXAMIANS APP
Physics Energy travels from Sun to Earth through Modulation Convection Conduction Radiation Modulation Convection Conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Heat transfer by conduction occurs when molecules Heated Combine Collide None of these Heated Combine Collide None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Radioactivity Nuclear fusion Nuclear fission Artificial radioactivity Radioactivity Nuclear fusion Nuclear fission Artificial radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.16736111111111 0.084027777777778 0.052777777777778 0.044444444444444 0.16736111111111 0.084027777777778 0.052777777777778 0.044444444444444 ANSWER DOWNLOAD EXAMIANS APP
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