When we go higher up, for how much distance does the
temperature roughly decrease by 1oF
Explain the Effect of Temperature on Vapour Pressure ?
Name the element which has the simplest absorption spectrum?
State 'law of machines'?
How much should be the minimum size of the ordinary mirror, so that and observer standing at the centre of room is able to see the whole of the height of the wall behind him ?
battery of 180 AMP HOUR”
Is a sewing needle magnetic or non magnetic?
What is meant by reflection of waves?
Examine the working of the Refrigerator?
moment of inertia of an area is always least with respect to
Explain the Thermometers’ ?
How many images will be formed if the angle between two mirrors is 90o ?
a car starts from rest with uniform acceleration "a" for sometime and then with uniform retardation "b" and comes to rest. The time of motion is "t". find the maximum velocity attained by it?