What is a galvanometer?
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What is the measure of the force of gravity on an object?
Explain the Amphoteric ?
Describe the main process involved in the manufacture sugar. What is the main bi-product of sugar industry and to what use as put in Bihar ?
Explain Conductors ?
What is the role of transformer in a rectifier?
the hardest substance available on earth
What is Mechanical mixture ?
Explain the Use of manometer.
An ice-box is built of wood 1.75 cm thick, lined with cork 3 cm thick. If in the steady state the temperature of the inner surface of the cork is 0 ºC and that of the outer surface of wood is 12 ºC, what is the temperature of the wood-cork interface? The thermal conductivities of wood and cork are 0.2 W/m-K and 0.04 W/m-K respectively
How fast can a shadow move ? If a moth fly's in front of a very bright room temperature light powerful enough to light up Saturn like the sun could it's shadow move faster then light if there was no light diffusion.
What is Metals ?
1.The main constitutuents of 'Bronze' are: 2.The element common to all acids: 3.The SI unit of resistance is: