The cylindrical tube of a spray pump has radius R, one end of which has n fine holes,
The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of…
The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of…
The two ends of a metal rod are maintained at temperatures 100°C and 110°C. The rate of heat flow in…
On observing light from three different stars P, Q and R, it was found that intensity of violet colour is…
A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof is…
The approximate depth of an ocean is 2700 m. The compressibility of wate4r is 45.4x10⁻¹¹ Pa⁻¹ and density of water…
Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature of 80°C, the…
Copper of fixed volume V is drawn into wire of length l. When this wire is subjected to a constant…
Certain quantity of water cools from 70⁰ C to 60⁰C in the first 5 minutes and to 54⁰ C in…
A certain number of spherical dropes of a liquid of radius r coalesce to form a single drop of radius…
If the rise in height of capillary of two tubes is 6.6 cm and 2.2 cm, then the ratio of…